Three young great blue herons in nest. Image note: soft.

Adult great blue heron perched on a branch near nest below. Image note: second best. Copyright 1905.

Adult black-crowned night heron on nest, looking to the side.

William L. Finley in the top of a sycamore tree photographing heron nests.

William L. Finley in a tree photographing a great blue heron nest. A young bird is perched on a branch nearby.

William L. Finley in a tree photographing great blue heron nests. A young heron is perched on a branch nearby. Image note: rear lens.

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

Black-crowned night heron nest and four eggs.

Adult black-crowned night heron standing above nest on leafy branch. Image note: side view.

Great blue herons flying over nest tree.