Mayslake Birds Update

by Carl Strang

It has been a while since I have reported bird observations from Mayslake Forest Preserve. The neotropical migrants, including the eastern wood-pewee, have departed for their winter homes.

Pewee 2b

Wandering youngsters like this great blue heron have turned up from time to time.

GBH youngster Mayslake

Some members of this species will stick around through the winter, and some will make the attempt and fail to survive. One of the more unusual sightings at Mayslake this fall was a heron relative, an American bittern, which flushed from an unusual location in the middle of an upland meadow.

Mixed flocks of warblers and other songbirds stopped by the preserve for fuel in September, and gave way in October to birds that winter in the U.S. These included blackbirds, with large grackle flocks foraging on the mansion lawns on some days.

Grackle flock 2b

Sparrows frequented the habitats suitable for their various species. Meadows and prairies attracted song sparrows, some of which had nested there in the summer.

Song Sparrow 3b

One of the more unusual looking sparrows was this one.

Savannah Sparrow 4b

It proves to be a savanna sparrow, but with very white and high-contrasting plumage compared to most members of its species. Many white-throated and white-crowned sparrows have been refueling at the preserve as well.

The most exciting “maybe” was reported by an experienced birder who got a glimpse of a tiny black bird flying near the stream. He was not willing to commit to it, because his sighting was so brief, but Mayslake may have hosted a black rail this fall.

In the past week the latest of songbirds have been appearing, including a brown creeper, hermit thrushes, fox sparrows and dark-eyed juncos. Some of these may stay for the winter.

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