Two young Anna’s hummingbirds in their nest.

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

Cassin’s vireo on nest. A hand showing above.

William L. Finley feeding a Cassin’s vireo on its nest.

Irene Finley holding food above a Cassin’s vireo in its nest.

Adult Parkman’s wren at entrance to nest in stump. A second Parkman’s wren on the top of stump about to start flying.

Young Parkman’s wren sitting in the entrance to its nest. Image note: large size.

Adult Parkman's wren perched on top of a stump with food in bill. Image note: side view.

Adult Parkman’s wren perched on top of a stump with food in bill. Image note: side view.

Large leaning sycamore tree with great blue heron nests.