Adult turkey vulture in flight. Image note: bird near edge of plate.

Ruffed grouse nest showing egg shells after eggs have hatched. Taken over in swale.

Thurber junco (Oregon snow bird) on a limb, feathers ruffled. Image note: front view.

Thurber junco (Oregon snow bird) on a limb with wings stretched. Image note: front view.

Thurber junco (Oregon snow bird) on a limb with wings stretched. Image note: slightly out of focus.

Snow birds and a fox sparrow feeding at a tray in a hazel bush.

General view of snow birds and thrushes around a bird feeder in a hazel tree.

A view of nest boxes with birds perched upon them at a pigeon ranch in Pasadena, California.

Three young black-crowned night herons in nest. Image note: large.

Two fully grown great blue heron young in nest.