A flicker at its nest entrance in Fulton Canyon. Image note: copyright 1905, H. T. B. and W. L. F.,

Herman T. Bohlman and William L. Finley photographing flickers in Fulton Canyon.

Herman T. Bohlman and William L. Finley photographing flickers in Fulton Canyon.

Herman T. Bohlman and William L. Finley photographing flickers in Fulton Canyon.

Three orioles on limbs beside their nest near Jim Paul Ranch in southeastern Oregon.

Irene Finley photographing orioles near their nest on the Jim Paul Ranch in southeastern Oregon.

A great horned owl perched in its nest on a saguaro cactus.

An unidentified man photographing a great horned owl perched in its nest on a saguaro cactus.

An unidentified man with a camera on a tripod photographing a red-tailed hawk perched in a nest on a saguaro cactus.

An unidentified man with a camera on a tripod photographing a red-tailed hawk perched in a nest on a saguaro cactus.