Will Knowlton:
Cerulean Warbler, Ohio
Will Knowlton:
Bay-breasted Warbler, Ohio
Will Knowlton:
Chestnut-sided Warbler, Ohio
Will Knowlton:
American Redstart, Ohio
Will Knowlton:
Connecticut Warbler, Ohio
Will Knowlton:
Yellow-bellied Flycatcher, Ohio
Will Knowlton:
Magnolia Warbler, Ohio
Will Knowlton:
Barred Owl, Ohio
Will Knowlton:
Black-billed Cuckoo, Ohio
Will Knowlton:
Henslow's Sparrow, Ohio
Will Knowlton:
Bobolink, Ohio
Will Knowlton:
Eastern Whip-poor-will, Ohio
Will Knowlton:
American Woodcock, Ohio
Will Knowlton:
Veery, Ohio
Will Knowlton:
Eastern Screech-Owl, Ohio
Will Knowlton:
Black-headed Gull, with Bonaparte's Gulls in background, Ohio