Gerrit Vyn / Small flock of adult Canada Geese (Branta canadensis) in flight. Tompkins County, New York, USA, March.

Gerrit Vyn / American woodcock (Scolopax minor) feeding on an earthworm, April, Tompkins County, New York, USA

Gerrit Vyn / Canada Goose (Branta canadensis) brooding a recently hatched chick at the nest. Tompkins County, New York, USA

Gerrit Vyn / Eastern Chipmunk (Tamias striatus) resting on a log, Tompkins County, New York, USA

Gerrit Vyn / Herring gull (Larus argentatus) juvenile in first year, Tompkins County, New York, USA. September.

Gerrit Vyn / Red-eyed vireo (Vireo olivaceus) singing. Tompkins County, New York. May.

Gerrit Vyn / Black-throated blue warber (Dendroica caerulescens) male in breeding (alternate) plumage. Tompkins County, New York. May.

Gerrit Vyn / Great blue heron (Ardea herodias) at nest. Tompkins County, New York. May.

Gerrit Vyn / Canada warbler (Wilsonia canadensis) male in breeding plumage. Tompkins County, New York. May.

Gerrit Vyn / Rose-breasted grosbeak (Pheucticus ludovicianus) male, Tompkins County, New York. May.

Gerrit Vyn / White-breasted nuthatch (Sitta carolinensis) male climbing down tree trunk, Tompkins County, New York, USA. January.

Gerrit Vyn / Northern junco (Junco hyemalis) male, Tompkins County, New York, USA. May.