Three red-tailed hawks perched in a nest on a saguaro cactus.

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

Two golden eagle downy young in nest. Image note: telephoto, third series.

Two golden eagle downy young in nest. Image note: telephoto, third series.

Two golden eagle downy young in nest. Image note: medium size, telephoto, third series.

Two golden eagle downy young in nest. Image note: close side view, black background, third series.

View of golden eagle young in nest. Image note: rear lens, third series.

Two golden eagle downy young in nest. Image note: across plate, regular lens, second series.

Two golden eagle downy young in nest. Image note: medium size, telephoto, first series, negative broken and repaired.

Herman T. Bohlman with a camera taking a picture of a vulture’s nest.