A flock of birds in flight.

A flock of birds in flight.

Shefeldt's junco nest with four eggs. Note on envelope credits image to Alex Walker.

Shefeldt's junco nest with four eggs. Note on envelope credits image to Alex Walker.

Shefeldt's junco nest with four eggs. Note on envelope credits image to Alex Walker.

Thurber junco (Oregon snow bird) on nest with open mouth. Image note: contrasty plate.

Ruffed grouse chicks and eggs in nest. Image note: chicks blurred, not very good.

Ruffed grouse nest showing egg shells after eggs had hatched. Image note: large size.

Pelicans and cormorants. An adult bird on a nest. Image note: telephoto lens.

Thurber junco (Oregon snow bird) on nest. Image note: upright plate, small size.