Tuesday, May 23, 2017

Migration Update and Finding Connecticut Warbler: May 23-28

Wilson's Warbler: one of the typical late-May migrants. 
Tuesday, May 23: As predicted, last week (particularly Wednesday, May 17th) saw a great number and diversity of birds enter the region. With southerly winds each night from Tuesday through Friday, there was plenty of turnover each night with birds arriving and departing the marshes, until northerly winds took hold on Friday the 19th, retaining many migrants. With cooler daytime temperatures and some rain mixed in Friday through Sunday, any birds that were still in the area offered great looks, foraging low at eye-level. Dominating this arrival of migrants were American Redstart and Magnolia Warbler, with lesser numbers of Chestnut-sided, Black-throated Blue, Tennessee, and Red-eyed Vireo. Of special note, up until Sunday the 21st, a pair of King Rail could be heard and seen actively foraging on the eastern side of the Magee Marsh Causeway.

Corroborated with daily totals from Black Swamp Bird Observatory's Navarre Marsh Banding Station, we also saw a somewhat early arrival of Wilson's Warbler, Canada, Mourning, and Connecticut, and also a substantial push of Empidonax flycatchers. Typically these species don't make a large push until the third wave of migrants in late May. But as many observers have seen, plenty of Wilson's, Canada, and Yellow-bellied Flycatcher could be found throughout the region, with Willow and Alder Flycatchers being quite numerous for this time in May. (Note that Willow and Alder can't be separated with complete certainty if they're silent, so the old name "Traill's Flycatcher" is useful for designating this pair of species.) 

Following this southerly wind shift, the marshes saw the departure of many previously common migrant species. Ruby-crowned Kinglet, White-throated Sparrow, Yellow-rumped Warbler, Palm, Nashville, and Cape May made their final flight from the lake shore leading into Thursday. And while Hermit Thrush has completely disappeared, Swainson's and lesser numbers of Gray-cheeked have taken its place. 

Looking ahead: Heading into the third wave of migration, we can expect to see more American Redstarts, Magnolia Warbler, Wilson's, Canada, Mourning, and the elusive Connecticut. Along with Red-eyed Vireo, this is also the peak time for the Empidonax flycatchers. However, given the numbers we've already seen enter the region, it's difficult to say what the abundance of these typical late-May migrants will be. Making this prediction even more challenging is the absence of true southerly winds. Each day this week seems to shift back and forth between southerly and northerly winds, with southerly winds bringing in cooler air from the Appalachians. While this wind origin won't necessarily drive birds away, it won't direct them to Northwest Ohio either, resulting in a scattering of birds across the lake shore. At this point, it doesn't look like the real push of southerly tropical winds will come until Saturday night leading into Sunday the 28th. But by this time many of the birds that would have taken advantage of this front will probably have moved through during the earlier part of the week. In terms of birding opportunities, check each night for southerly winds for good birding the next day (at this moment, those days appear to be Wednesday, Thursday, and Sunday, the 24th, 25th, and 28th). Also expected on these days is intermittent rain. While not great for birding and photographing in, periods after rainfall will generally see birds move low to eye-level, and into areas where vegetation is a little more sparse.   

Connecticut Warbler is a highly sought-after migrant: It's uncommon, quiet, and secretive, and it migrates late in spring, after the peak of birding activity. In northwestern Ohio, May 20 to 30 is the best time to find it. 

This species forages mostly by walking slowly on the ground, occasionally jumping up onto a log or low branch. Males will sing from high perches on their breeding grounds in northern forest, but when they sing here in Ohio, they usually do so from just a few feet off the ground. So the birds are almost always very low or on the ground, inside forest or dense thickets, where they are hard to see. 

The best way to seek these elusive migrants is to get out at dawn and listen for their loud, distinctive song. You can search more area by walking quickly and quietly, or driving slowly, along the edge of good habitat. At this link, you can hear a good recording of the song from the Macaulay Library at Cornell. And at this link, you can hear several recordings from Xeno-Canto.

Migrants usually stop singing shortly after dawn. After they've fallen silent, the best way to search is to walk very slowly on boardwalks or trails, stopping to scan any place where you can actually see the ground inside the forest. The Connecticut will be walking very slowly and methodically, its colors looking surprisingly obscure in the forest shadows. With great luck, you might see one pop up onto a log as you're going past. On the Magee Marsh boardwalk, some consistent areas have been between numbers 3 and 6, near number 10, near number 16, at the west end of the west parking lot, and along the Estuary Trail to the west. (For a map of the boardwalk showing the locations of the numbers, see this link.)   But this is very much a needle-in-a-haystack kind of search, so it's best if you can be out early enough to locate one by sound. 

Where should you search? Greg Links, an ace birder with experience throughout this region, shared this list of specific places to look for Connecticut Warblers: 

"In no particular order:

1. Magee Marsh - no details necessary. 

2. Maumee Bay State Park - boardwalk behind the nature center, easternmost dike in the park that leads north from the parking area at the far east end of the cabin road. Also some of the grassy trails in the NW corner of the park.

3. Far east end of Cedar Point Road, at Decant Road. 

4. North end of Yondota Road at entrance gate area to Cedar Point NWR (no access to refuge, and area around belong to water treatment plant. Stay on road.)

If west of Toledo in Oak Openings area: 

1. Wolfinger Road, between Secor Metropark and Bancroft Road (accessed from either).

2. Irwin Road, especially between Wolfinger and Bancroft. 

3. Schwamberger Road between Bancroft and Old State Line Road.

4. In Oak Openings Park, Sager Road between just west of Wilkins and Girdham roads."

In addition to the places listed above by Greg Links, we have found Connecticut Warbler on the Gallagher Trail behind Black Swamp Bird Observatory; inside the woods behind the visitors' center at Ottawa National Wildlife Refuge; and in the woods at East Harbor State Park, east of Port Clinton. 

Monday, May 15, 2017

Migration Update: May 16-21

Yellow-billed Cuckoo: a typical - yet hard to find - migrant in mid-May.
Monday, May 15: The end of the "pressure system clog" is nigh, and the birds are telling us that they are ready to arrive. Over the past week the lake shore region has seen a great diversity of incoming migrants, pushing against northerly winds to get to their breeding grounds. Because of persistent northerly winds Tuesday through Friday, birds weren't in a great abundance in the marshes, and seemed to be spread across the Midwest rather than being driven to Lake Erie. However, with calm to southerly winds leading into Saturday and Sunday, the region began to see some of the numbers and the diversity we would expect at this time in May, especially on Sunday, May 14th.

American Redstart, Black-and-white, Nashville, Magnolia, and Tennessee Warbler all increased in abundance over the weekend, and multiple Blackpoll and Wilson's Warblers were seen at key lake shore sites. An increase in flycatchers was apparent, with Willow Flycatchers beginning to populate their local breeding areas, and more sightings of Least, Great Crested, and Eastern Kingbird. Along with these more "common" migrants, there were plenty of notable finds throughout the region including Prairie, Connecticut, and Canada Warbler on the Magee Marsh boardwalk, a handful of Mournings scattered across the lake shore marshes, and Golden-wingeds seen at Black Swamp Bird Observatory, Maumee Bay SP, and Oak Openings MP. On Sunday, a Connecticut Warbler was singing south of the boardwalk at Maumee Bay State Park, and two males were singing (and a female was seen) along the Wood Thrush trail at Pearson Park. The woodlot at the end of Metzger Marsh - which may be small, but can be a great migrant trap and is worth checking when other areas seem "slow" - produced over a dozen warbler species, and has been hosting a very vocal Least Bittern just past the woodlot on the outer dike.

Rain and northerly winds pushing Lake Erie into the marshy shoreline, have over saturated many typical shorebird habitats. The platform at Ottawa NWR's Stange Prairie has benefited from this deluge and has seen both yellowlegs, Least Sandpiper, Semipalmated Plover, American Pipit, and a female Wilson's Phalarope (although the waters there are rapidly drying up). While not holding as much as some of the other flooded fields, parts of the Magee Marsh causeway have been drawn down and have seen Dunlin, Short-billed Dowitchers, and Snowy Egret utilizing the exposed marsh.  

It's worth noting that, while many are excited for incoming birds, there are other migrants dwindling down and can be expected to disappear within the next few days. Hermit Thrush are virtually gone and are being replaced by Swainson's, Veery, and soon enough, Gray-cheeked. Ruby-crowned Kinglet and Blue-gray Gnatcatcher have dropped down to only a handful of individuals. And White-throated Sparrow - although still somewhat abundant - will depart the region any day.

Looking ahead: Even though we've seen a less than typical movement of second-wave birds, things are about to change! Winds and temperatures are shifting, and by Tuesday afternoon, the region is expected to see an 80 degree day. While there will be some movement Monday night with a southerly wind, the real wave of birds looks like it will arrive Wednesday, May 17. This is right around the time when a second pulse of the second wave usually arrives, bringing high diversity and high volume. Combined with this time frame is a perfect setup of winds and warm fronts. Shifting mid-day Tuesday, winds will be coming from the southwest, and will be driving up tropical air from the Gulf of Mexico. If the birds don't overshoot the marshes, this could be a massive day of migrants, bringing in more warblers, vireos, thrushes, cuckoos, and flycatchers. Because temps will be in the upper 80's, the best birding will be in the cooler morning and evening hours. With great birds and high heat, it can be easy to over-exert yourself and risk heat exhaustion. Take breaks often and bring along extra water. 

These southwest winds will continue into Thursday, and will produce some turnover of arrivals and departures. Despite how many birds take advantage of these winds and warm front, and depart the marshes overnight, there will still be great diversity and numbers by Friday and Saturday, when winds shift to the north and bring cooler temperatures for a more comfortable day of birding. As Sunday rolls in, winds are predicted to shift back to the southwest. It's unclear of the timing of this shift, but we can expect it to still be a good day, with many birds most likely departing Sunday night into Monday.  

Tuesday, May 9, 2017

Migration Update: May 9-15

Chestnut-sided Warbler: a major player in the second wave.
Photo by Kenn Kaufman
Tuesday, May 9: Rain, wind, cold, sun, birds...last week had a mix of everything. Just before persistent northerly winds set in, the lake shore region was met with the arrival of many first-wave migrant birds - predominantly Ruby-crowned Kinglet, White-throated Sparrow, and Yellow Warbler. As is typical with the first wave of movement, there wasn't necessarily an abundance of incoming migrants, but there was definitely diversity. Blue-winged, Orange-crowned, and Black-and-white Warbler made great appearances on the Magee Marsh boardwalk, and along with an influx of Baltimore Orioles, Orchard Orioles started to appear throughout the region. 

With The Biggest Week in American Birding now in full swing, there are many eyes in the area, locating birds that might otherwise be missed. Only in the past few days a Le Conte's Sparrow was seen briefly along the outer dike at Metzger Marsh WA, Upland Sandpipers were found at Grimm Prairie on St Rt 2 and Krause Rd, Black-necked Stilts were seen foraging in the fields around Metzger Marsh, and a Marbled Godwit and Black-bellied Plovers were easily observed in a flooded field behind Barnside Creamery on St Rt 2. 

It appears that - despite this clog of northerly winds - birds have been on the move. Even though the Great Lakes region has been dominated by these northerly winds, migrating birds have been making their way through the southern US. With mostly calm winds overnight, that movement is apparent today, Tuesday, May 9, as a new variety and amount of birds are already being reported. But what has so far been reported today, should only get better tomorrow!

Tonight, leading into Wednesday, May 10, winds are predicted to be mild and take a brief shift to the south. With the clog of pressure systems that have dominating the country, this shift won't be the kind we look for to see a massive movement of birds. But, as we've already seen this morning, birds are waiting to move in from the south, and this shift should be conducive enough for the region to see the second-wave of migrant birds. This wave typically brings in the greatest diversity of birds, and we can expect to see an increase in warbler species including Chestnut-sided, Bay-breasted, and Magnolia. Along with warblers, expect a new arrival of thrushes such as Swainson's and Veery, cuckoos, flycatchers, and an increase in shorebirds.

Even though this "pressure system clog" has made for a cold and seemingly slow migration, there is a positive note for birders and photographers. With strong northerly winds swinging back around on Wednesday, the rest of the week's forecast looks good for holding birds in the region. Any new arrivals in the next day will be here for a couple of days until the winds calm down or hormones push the birds across Lake Erie. And with mostly cool daytime temperatures, these new arrivals can be expected to be foraging lower in the vegetation throughout Wednesday, Thursday, and Friday. Barring any rain over the weekend, easily finding birds on Saturday, Sunday, and Monday may pose a challenge (but a fun challenge!). With temperatures in the high 60's, and heavy leaf-out, birds are going to be high and well hidden. This will be a great time to practice birding by ear, and really study tail patterns.  

Monday, May 1, 2017

Migration Update: May 1-6

Palm Warbler, one of the dominant warblers of the first wave.
Photo by Ryan Jacob
Monday, May 1: As expected, following a lull of birds, last Wednesday and Thursday, April 26th and 27th, saw a good push of first-wave migrants enter the marshes. Dominant first-wave migrants such as White-throated Sparrow, Hermit Thrush, female Ruby-crowned Kinglet, Yellow-rumped Warbler and Palm were well represented throughout the lake shore region along with small numbers of Black-throated Green, Nashville, and Cape May Warblers, and Baltimore Oriole. A few other nice surprises to come out of this push were a male Golden-winged Warbler seen by many at the west entrance of the Magee Marsh Wildlife Area boardwalk, a couple of sightings of Hooded Warbler throughout the region, and a Kentucky Warbler seen at Maumee Bay State Park. Diurnal migrants like Broad-winged Hawk and Osprey were observed only in a couple of instances, but Blue Jays made a great push along the lake shore (with 5,000 being counted in one 5-hour stretch by Black Swamp Bird Observatory staff in Navarre Marsh). 

And then Friday rolled in...and the birds rolled out. With calm to southerly winds overnight and into the early morning, the majority of recent arrivals pulled out of the region to continue northward. Diversity was still well represented Friday and Saturday, but numbers were noticeably low. However, despite this turnover in songbirds, shorebirds were on the move. Throughout the state, scattered flocks of Willets were being seen (including a small flock briefly held up in Metzger Marsh); Spotted and Solitary Sandpiper have become more evident in the marshes; and Dunlin, Pectoral, Least, and Semipalmated Sandpipers, plus a rare-in-spring Stilt Sandpiper and both dowitcher species, beginning to filter into the region. Unfortunately, typical shorebird areas are holding high levels of water (Metzger Marsh, Ottawa National Wildlife Refuge and the Boss Unit), forcing birds out into adjacent farm fields. Low areas in Magee Marsh and Pearson Metropark North could bring some birds in and will be worth scanning in the upcoming days. 

Despite a cold northerly wind, a trip out to the lake shore on Sunday was quite rewarding. Typically with northern winds, birds will move inland about a mile or so. However, exceptional numbers of Yellow-rumped and Palm Warblers and Blue-gray Gnatcatcher could be seen all along the Magee Marsh boardwalk. Present with other expected first-wave migrants, Black-throated Blue Warbler made its first appearance, as well as higher numbers of House Wren, Warbling Vireo, Rose-breasted Grosbeak, Wood Thrush, and Gray Catbird.     

Looking ahead: Given yesterday's surprise bird movement and warm southerly winds overnight, the morning rain of Monday, May 1st, cannot end soon enough. Due to this temperature and wind shift, it is expected for a new set of birds to have entered the region overnight. With this expectation, a trip out today should produce many of the previously mentioned migrants, and more signs of Scarlet Tanager, Ruby-throated Hummingbird, Veery, and Eastern Kingbird. With a continuance of southerly winds tonight, Tuesday May 2nd could see some turnover (depending on the condition of new arrivals) and make for another great day of birding. Beginning Wednesday, winds will shift to the north, bringing with them cold air. This shift is expected to last for well over a week (weather predictions are notoriously unreliable the further out they get, so we'll be watching for a southern shift as the days progress) so any arrivals can be expected to stay in the area while northern winds persist. In times such as this, it can be advantageous to explore areas away from the lake shore such as Pearson Metropark, the woods around the visitor center at Ottawa NWR, and the trails around Black Swamp Bird Observatory. 

A benefit to birders and photographers during these cold periods is the physical height of bird activity. During these cold times, birds tend to forage lower among the vegetation (following insects). This can bring treetop foragers such as Scarlet Tanager, Warbling Vireo, and Cape May Warbler down to eye level. 

Eventually, hormones will outweigh weather conditions and, despite northerly winds, birds will begin to filter out of the area (with somewhat calm northerly winds and a mild shift to the south, this departure should begin Wednesday night). Looking to the Gulf of Mexico, conditions are looking good for migrants to start moving up into the southern US on Wednesday, but with the next wave of migrants typically arriving between May 7th and 13th, it's still going to be a little while before we see a "big wave" of birds. 

Summary: Look for good numbers of birds and diversity in the early half of this week. Cold temperatures will make for great photo opportunities, but expect bird numbers to decrease as the week progresses. 

Tuesday, April 25, 2017

First Wave Coming Soon: April 26 - May 1

Black-throated Green Warbler, one of the typical migrants of the first major wave.
Photo by Kenn Kaufman.
Tuesday, April 25: With a good push of warm, southerly winds earlier this month, the lake shore region has seen quite a bit of species diversity from short-distance and long-distance migrants (albeit "one of this" and "one of that" sightings). With mostly calm winds over the earlier part of last week, and a shift to North and East winds leading up to today, we have seen a fair number of migrants move in and quickly move out of the marshes. Yellow-rumped Warbler, Palm, Pine, Eastern Towhee, and Ruby-crowned Kinglet were quite common only a few days ago, and have now all but disappeared from the lake shore.   

Despite this somewhat lack of songbirds over the past few days, there have been other great sightings throughout the area. Black-necked Stilts are being seen consistently at Pickerel Creek, moving between the marsh units. American Golden-Plover, Dunlin, Pectoral Sandpiper, and both Yellowlegs can be found foraging in the Boss Unit of Ottawa NWR and in the surrounding saturated fields. And all across the lake shore, American White Pelicans are being spotted overhead and in various open waters.

At this point in April, we are well past waterfowl migration and many of the familiar winter birds are becoming harder and harder to find. Dark-eyed Junco, American Tree and Fox Sparrow, and Brown Creeper seem to have completely pulled from the area; while Golden-crowned Kinglet and Rusty Blackbird are steadily decreasing to single bird sightings.    

Looking ahead: Predicting bird movement can be tough. Through years of research from Black Swamp Bird Observatory, we have a general idea of which birds will be arriving and when. However, predicting the weather that migrating birds utilize for travel...that's where things can get a little tricky. Looking at forecast maps and general weather predictions, it appears that we should see some movement tonight into Wednesday, the 26th, with lows approaching from the west, driving up southerly winds. But with a steady shift to the south and rain (a sure sign of a low pressure system) it looks like Thursday, the 27th, could be the day we really start to see the first wave of migrants. These couple days of southerly winds don't appear to be coming from the tropics like we would hope to see for a big push of birds, but nonetheless, beginning Wednesday, we will start to see a new movement of birds entering the region.

Assuming this prediction is correct, over the next couple of days expect new arrivals of dominant first-wave species such as Hermit Thrush, Ruby-crowned Kinglet, White-throated Sparrow, and Yellow-rumped Warbler, with lesser numbers of Nashville, Black-throated Green, and Black-and-white. We can also expect to see a few individuals of other warbler species and potentially "overflight" species like Hooded, Prairie, Kentucky, and Worm-eating. These "overflight" species generally nest farther south, but can be picked up by southerly winds and overshoot their destination, landing along the Lake Erie shoreline. 

With this new set of winds, we can also expect to see more signs of Baltimore Oriole, Ruby-throated Hummingbird, Scarlet Tanager, and Rose-breasted Grosbeak, and an increase in shorebird numbers and diversity. Sometimes overlooked once songbird migration begins, this can also be a good time to see movements of Broad-winged Hawk and other raptors, and flocks of Blue Jays diurnally moving along the lake shore. 

Summary: If you've been itching to get out and bird...do it! It's difficult to say what's going to happen over the weekend and into next week, but anytime you can get out from Wednesday, the 26th, to Monday, May 1st, will surely produce a great birding experience as we ramp up for the birds to come.     

Thursday, March 23, 2017

Potential hawk flight Friday, March 24

Adult Red-shouldered Hawk over Maumee Bay State Park, Ohio, in March 2016. Photo / Kenn Kaufman.

Thursday, March 23:
With spring migration under way, we are watching the weather. Current forecasts call for the winds over this region of Ohio to shift around to the south tonight, and then to the south-southwest by Friday morning. Along with the wind shift will come warmer air, with temperatures expected to hit 70 by Friday afternoon -- quite a shift from lows in the 20s just the middle of this week!

At this season, southwest winds during the day are likely to produce a good flight of raptors and other diurnal migrants near the Lake Erie shoreline. These birds are moving north on a broad front across Ohio, and on an average day they may be so spread out that they pass unnoticed. However, southwest winds in this area will push them toward the lake shore. When they reach it they turn and move parallel to the shoreline, so their numbers become concentrated. Here in northwestern Ohio, the birds move west-northwest along the shore until they reach the Toledo area, and then turn north into Michigan to continue their northward journey. 

At this point in late March, raptors moving on such a day are likely to include Red-shouldered Hawk, Red-tailed Hawk, Bald Eagle, Northern Harrier, Cooper's Hawk, Sharp-shinned Hawk, and Turkey Vulture. The last Rough-legged Hawks should still be moving, and at this season there's a chance of Golden Eagle and maybe even a Northern Goshawk. There's also a possibility of an early Osprey at this time. 

Other daytime migrants that could be following the lake shore include American Crow, Horned Lark, Lapland Longspur, and many blackbirds, including Rusty Blackbird and Eastern Meadowlark

One classic spot for watching this daytime movement is the sledding hill at Maumee Bay State Park. But any spot near the lake shore with a good view of the sky would be worth checking. 

From about the center of Erie County eastward (between Huron and Lorain), the migrants are likely to turn east instead of west, following the lake shore east-northeast toward Pennsylvania and New York. So birders in the Cleveland area and elsewhere in north-central and northeastern Ohio could also see a good movement of birds on Friday. 

Looking at forecasts for the next week, only next Monday, the 27th, appears to have potential for southwest winds and a daytime flight. Of course, weather forecasts can change, so it's always wise to keep an eye on the weather. 

Currently there are no official hawkwatch sites in northwestern Ohio, but there are a few sites around the Great Lakes where official tallies of migrating raptors are kept every day. To see what birds are being reported at these locales, check out the information at hawkcount.org, sponsored by the Hawk Migration Association of North America. 

Sunday, May 22, 2016

Migration update: May 22-27

Northern Parula offering great looks at eye level along the Magee Marsh boardwalk.
Sunday, May 22, 2016: As predicted, after a generous push of migrants early last week, numbers of migrant songbirds have tapered due to mild southerly winds and calm nights throughout this past week. While there were sightings of Connecticut Warbler and (potentially) Kirtland's Warbler from the boardwalk at Magee Marsh this past Friday, by today most of the birds that came in from this past push have departed. Tanagers, grosbeaks, and kinglets have become scarce (if not absent entirely) and warblers are becoming more difficult to find (especially given the growth of vegetation). But...that does not mean that there aren't any birds still out there.

On the boardwalk at Magee Marsh and in many other stopover areas, American Redstart (as well as breeders such as Common Yellowthroat and Yellow Warbler) remain the most prolific species. But Tennessee, Magnolia, Northern Parula, and Chestnut-sided Warbler can still be found in small numbers. Other birds showing very well have been Common Nighthawk (often roosting in the open near the east entrance of the Magee Marsh boardwalk), White-crowned and White-throated Sparrow at the feeders at Black Swamp Bird Observatory, Veery, Swainson's Thrush, Gray-cheeked Thrush, and a new arrival of shorebirds. 

The Boss Unit of Ottawa National Wildlife Refuge and the wildlife drive through Ottawa have produced Marbled Godwit, Wilson's Phalarope, Red Knot, Semipalmated Plover and Sandpiper, Least Sandpiper, and a pair of Cattle Egret. Larger shorebirds such as Marbled Godwit may move around between suitable habitats, but won't typically stick around too long (so this bird may be on the move soon). But smaller shorebirds can be expected to hold to the same area for a few days. 

Based off of numbers from Black Swamp Bird Observatory's Navarre Marsh Banding Station, the northwest Ohio region has yet to see a normal push (in terms of numbers of birds) from Magnolia Warbler, American Redstart, Red-eyed Vireo, and the thrushes. It's difficult to say whether these birds are still being delayed in their migration or whether they skipped over the Lake Erie marshes completely. We won't know until the next wave of birds arrives. But if migration has been delayed, we could expect to see a good number of birds and species in the upcoming days. 

Yellow-bellied Flycatcher - one of the least confusing of the Empidonax flycatchers.
Looking ahead: We may be nearing the end of spring migration, but the season is far from over. Based off of current weather forecasts we should see a major push of birds Tuesday and Wednesday, May 24 and 25. With low pressure systems developing to the west and a high pressure system in the east throughout Monday night and much of next week, southwest winds will be coming straight from the Gulf of Mexico and the tropics, bringing warm air and rain. Rain always has the chance to push birds ahead or drop them down into the marshes. But rain can also keep birds foraging low throughout the day and offer great eye level views. Warblers such as Connecticut, Mourning, Canada, and Wilson's can be expected during this next wave of birds, but species still lagging behind, and a push from thrushes, could also be fairly prominent over the next week. Also, this next push should bring about a large number of flycatchers (which we've yet to really see) dominated by the confusing Empidonax genus - Least, Yellow-bellied, Alder, Willow, and Acadian flycatchers. Much of next week is expected to receive southwest winds, meaning that every day could see birds arriving and departing. With warblers, thrushes, flycatchers, and shorebirds all arriving in this time period, it will be advantageous to bird many habitats throughout the week. And with constant, strong southwest winds, one or two rarities could fly a little farther north than intended. 

Sunday, May 15, 2016

Migration update: May 15-17

Philadelphia Vireo foraging at eye level along the Magee Marsh boardwalk during chilly conditions on May 15. Photo / Kenn Kaufman.

Sunday, May 15, 2016: The overall timing of migration continues to be somewhat delayed, but excellent numbers of birds arrived in northwestern Ohio on Wednesday and Thursday and the birding continued to be superb through Saturday and this morning. A Kirtland's Warbler was seen very well by large numbers of birders on Thursday, May 12, near the east entrance to the Magee Marsh boardwalk. Also on May 12, Steve Jones discovered a Curlew Sandpiper just west of Toledo, one of very few ever recorded in Ohio. Some energetic birders had the once-in-a-lifetime experience of seeing both these rarities on the same day. The Kirtland's was not seen again after Thursday, but the Curlew Sandpiper is still being seen this morning, May 15th. 

On Wednesday through Friday, the boardwalk at Magee Marsh was productive as expected, with good variety and fair numbers, but other local spots were also hopping. The woods at Maumee Bay State Park produced Cerulean, Worm-eating, Kentucky, and Prairie warblers among many other species, and Pearson Metropark (on Rt. 2 in the town of Oregon) had good warbler concentrations. Spots in eastern Ottawa County had large numbers of migrants, including another Kentucky Warbler at Marblehead Lighthouse State Park and many migrants at East Harbor State Park and Meadowbrook Marsh. Farther east, Pipe Creek Wildlife Area in Erie County produced Orange-crowned and Mourning Warblers, Yellow-breasted Chat, and many other migrants. So there were numerous birding opportunities throughout the area. 

On Friday night a major cold front came through, and Saturday brought very chilly temperatures, wind, and occasional rain. The birding was challenging but outstanding, as all the migrants were foraging very low, and numbers of some species had picked up considerably. Good numbers of thrushes finally were being seen, Philadelphia Vireos were showing off at multiple sites, and a wide variety of warblers continued to please the birders and photographers. Places like Maumee Bay and Pearson parks continued to have outstanding variety. The key in every spot was to find a place sheltered from the wind, and look for the birds foraging low. 

Looking ahead: The wind is expect to shift to the southwest tonight (Sunday May 15) but we don't know how many of the current crop of migrants will depart, because it will continue to be quite cold overnight. On Monday May 16 it will be warmer (at least up to the mid 60s), and with southwest winds overnight, we'll probably see a lot of turnover on Tuesday May 17. Numbers may drop off in the latter part of the week, but there should still be swarms of birds around, because the peak passage has not yet arrived for many of the common migrants. Weather patterns are uncertain beyond that point, but we'll try to update within a few days. 

Curlew Sandpiper: We heard a report that the bird had disappeared around 9 a.m. Sunday morning, and as of 10:30 we haven't heard that it has returned. Check the Biggest Week twitter feed (at this link) for updates before driving out there. The site is on Raab Road just north of Angola Road, a large flooded field on the east side of the road. This is in western Lucas County, Ohio, a couple of miles north of the Ohio Turnpike and a couple of miles south of US 20 / Central Avenue. Thanks to Jacob Roalef for these coordinates, in case you want to plug them into a GPS: 41°37'47.7"N 83°49'02.2"W  - The site has also hosted a couple of Wilson's Phalaropes, a few White-rumped Sandpipers, and many other shorebirds. But again, as I'm writing this, the bird has been missing for a while, so check for updates before you make a long drive. 

Monday, May 9, 2016

Migration outlook: May 10 - 13

A male Bay-breasted Warbler, one of the classic, and classy, migrants of May.
Monday, May 9, 2016: Our last prediction worked out fairly well in the short term. Only a small arrival of migrants appeared on May 4, but Saturday May 7 brought good numbers and much better variety of warblers and other migrants into areas near Lake Erie in northwestern Ohio. Birders visiting the Magee Marsh boardwalk on Saturday and Sunday were treated to more than 20 species of warblers, including some crowd-pleasing Cape May, Bay-breasted, Tennessee, Black-throated Green, and Blackburnian warblers that lingered for extended studies. The woodlot at the end of the road at Metzger Marsh had excellent numbers and variety on Saturday (including a "Brewster's Warbler" hybrid that was enjoyed by many), but fewer birds on Sunday, after the wind shifted back to the north. This small woodlot is in an exposed situation, and it doesn't seem to hold birds very long in north winds - the migrants probably disperse to more sheltered spots. 

The Wildlife Drive (auto tour) at Ottawa National Wildlife Refuge is open every day from sunrise to sunset through next Sunday, May 15th (the entrance gate closes an hour before sunset). This route through the interior of the refuge is always worth checking. (Go to this link for a map of the auto tour.) Pool 9, north of the road near the end of the route, held 7 American Avocets on Sunday, and one remained there on Monday. The impoundments marked as MS 7, MS 6, and MS 3 on the map produced a fair variety of shorebirds, including Black-bellied and Semipalmated plovers, Dunlin, and Least, Pectoral, and Solitary sandpipers. 

Looking ahead: A week ago, we thought that this coming Tuesday and Wednesday might be big flight days. The weather forecast has changed a lot since then. We'll probably see some turnover on those days, but conditions won't be particularly good for incoming migrants until Wednesday night. On the basis of the current weather forecast, it looks as if Thursday May 12 could have the biggest arrival of migrants for this week. (It's not a classic weather setup for a huge flight; but on the other hand, there are apparently a lot of migrants still held up to the south of us, and they have to move sometime.) So Thursday should bring a good supply of new birds, and many of those migrants should stick around through Friday and Saturday at least.

Tuesday, May 3, 2016

Migration outlook: May 4 to 8

Black-and-white Warbler. One of the characteristic early migrants among the warblers, and the logo bird for the Black Swamp Bird Observatory.
Tuesday, May 3. With the Biggest Week In American Birding just about to start, birders in northwest Ohio are still waiting for the first really massive "warbler wave" to arrive on the Lake Erie shoreline. On April 25-26 we had a major arrival of the expected early migrants, giving a huge boost to numbers of things like Yellow-rumped Warbler, Palm Warbler, and White-throated Sparrow, and increasing the variety of other species present. But in the week since, with winds consistently out of the northeast, conditions haven't been ideal for another major flight. 

The good news is that at this time of year, some birds will migrate even when conditions aren't ideal. On relatively calm nights, even without the help of tailwinds, some birds are moving, filtering north around rain storms and against mild headwinds. Rose-breasted Grosbeaks have been seen all over the region, and a number of observers saw their first Ruby-throated Hummingbirds of the season on April 30 and May 1. The Magee Marsh boardwalk and other sites along the lake shore have continued to produce new arrivals such as Veery, Least Flycatcher, and Eastern Kingbird. Migrating flocks of Willets, ordinarily scarce in the region, have put down in a number of places, including Medusa Marsh (Erie County), Metzger Marsh, Maumee Bay State Park, and even flooded fields in Ottawa County. 

On days without a major migration, the key to finding more species is to check more different spots. It may be tempting to just keep prowling the Magee boardwalk, hoping for different birds to show up, but on these quieter days you're much more likely to discover something new if you visit other sites. Go to this link for a list of suggested birding sites in the general area, with links to maps, directions, and other information. 

Looking ahead: With light southerly winds predicted for tonight, we should see a good arrival of birds on Wednesday May 4. It's not likely to be a huge day, because there's no major weather system behind these local winds, but it should be moderately good since there are so many migrants held up somewhere to the south of us. Rain is expected on Wednesday during the day, but between showers, the birding should be productive. 

By Wednesday night, winds are expected to go back to the north, so any new birds that have arrived should stay for a couple of days. After that, Friday night into Saturday looks like it may be a repeat of what we expect for Wednesday: mild southerly winds bringing a modest arrival, not a huge one, for Saturday May 7. Saturday may even bring a good daytime flight of hawks and other diurnal migrants near the Lake Erie shoreline, at least until thunderstorms arrive in the afternoon. Then the winds are forecast to go back to the north for a couple of days.

The long-range weather predictions aren't very reliable when we start looking a week ahead, but there's a chance that we may see a really big migrant flight on Tuesday and Wednesday, May 10 and 11. For the moment that's just conjecture, and we'll update as the time gets closer. In the meantime, expected smaller arrivals on May 4 and May 7 should provide plenty of variety, and at least some moderate numbers, to welcome birders to northwestern Ohio. 

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