Gerrit Vyn / Northern / Baltimore oriole (Icterus galbula) male in breeding plumage. Tompkins County, New York, USA May

Gerrit Vyn / Black capped Chickadee (Poecile atricapillus). Tompkins County, New York, USA February

Gerrit Vyn / Blackburnian warbler (Dendroica fusca) male in breeding plumage. Tompkins County, New York, USA May

Gerrit Vyn / Yellow-bellied Sapsucker (Sphyrapicus varius) male on tree trunk, Tompkins County, New York, USA, May.

Gerrit Vyn / Swamp Sparrow (Melospiza georgiana) portrait, perched on branch, Tompkins County, New York, USA, May.

Gerrit Vyn / Red-eyed Vireo (Vireo olivaceus) portrait in profile, perched on branch. Tompkins County, New York, USA, May.

Gerrit Vyn / Prairie Warbler (Dendroica discolor) male singing on branch of tree, with spring leaves, Tompkins County, New York, USA, May.

Gerrit Vyn / Dark-eyed Junco (Junco hyemalis) of the slate-colored form. Perched on branch, Tompkins County, New York, USA, February.

Gerrit Vyn / Black-throated Blue Warber (Dendroica caerulescens) male in breeding plumage, singing. Tompkins County, New York, USA, May.

Gerrit Vyn / Black-capped Chickadee (Poecile atricapillus) clinging to a tree trunk. Tompkins County, New York, USA, February.

Gerrit Vyn / American Goldfinch (Carduelis tristis) male in breeding plumage, perched on branch, Tompkins County, New York, USA. May.

Gerrit Vyn / American Crow (Corvus brachyrhynchos) perched on a branch, with blue sky behind, Tompkins County, New York, USA, December.