A rufous hummingbird nest and eggs on a fir bough.

A rufous hummingbird nest and eggs in a blackberry briar. Image note: small plate. Copyright 1905.

View of a great blue heron nest and eggs.

View of a great blue heron nest and eggs.

Herman T. Bohlman climbing up to a great blue heron's nest, about 140 ft. high.

Herman T. Bohlman climbing up to a great blue heron's nest, about 140 ft. high.

A general view of a great blue heron colony. Image note: telephoto.

Two young red-tailed hawks on nest. They left the nest on June 1, one week later. Image note: best plate, copyrighted.

A single red-tailed hawk perched on its nest with a carp. Image note: large, rear lens.

Two red-tailed hawks standing in their nest with a carp. Image note: blocked out, good, last series.