More late Birds...

Wisconsin birders have been reporting rather unusual finds for this time of year over the course of the past few days. Posts to the Wisconsin Birding Network are a bit more reminiscent of spring, so what the heck is going on? There have been sightings of Blue-gray Gnatcatchers, Northern Parula, Magnolia Warbler, Black-and-white Warbler, Prairie Warbler, Hooded Warbler, Blackpoll Warbler and the Townsend's Warbler that many birders have trekked to see in Milwaukee. There's also one other report of a Blue-winged Warbler after my mid-October sighting.
Other late sightings include a Clay-colored Sparrow in Ashland and a Baltimore Oriole eating from a suet feeder in McFarland. There's a November 1st report of an American Avocet and a November 3rd report of Willets! Nearly all of these are record-late observations and many of them are being found in the southeast part of the state near Lake Michigan.
Birds in our Waunakee backyard are pretty typical, though. Daily regulars include Red-breasted Nuthatches, White-breasted Nuthatches, Black-capped Chickadees, House Finches, American Goldfinches, Hairy Woodpecker, Downy Woodpecker, Red-bellied Woodpecker, Dark-eyed Juncos, Mourning Doves, Northern Cardinals and Blue Jays. We still have some lingering Chipping Sparrows and White-throated Sparrows, but they'll probably not stay for much longer.










3 Comments:
Mike,
Ohio has had some late warblers as well such as Yellow Warbler and Orange-crowned. Could it be strong Southwest winds blowing some birds back to where they came from? Before the last cold spell, we had some strong winds blow consistently out of the South and West. Was that the case for Wisconsin?
Hi Glen,
Winds have been out of the southwest, same as Ohio, but they've done that before in the fall without so many individual records.
I suppose the thing that we can't know is are these birds stragglers (from the north) or ones that have already been south (and west) and followed the wind? The presence of a Townsend's Warbler may give credibility to wind being partially responsible.
One person emailed me places an explanation for the phenomena squarely on climate change - earlier spring records, later fall records will be the phenological trend.
Mike
Hmmm,
Things have slowed down in FL somewhat, although there have been some interesting things at the beaches, like Franklin's gulls (a pair). I'm waiting for some hummers to show up...
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