Pyrrhuloxia sitting in nest with open mouth. Image note: small size.

Pyrrhuloxia on nest with mouth open. Image note: side view, small size.

Pyrrhuloxia on nest with mouth open. Image note: small size, not very good.

Pyrrhuloxia on nest with mouth open. Image note: side view, small size, very good.

Cactus wren nest showing four eggs. Nest is partially torn away from cactus.

Two young crissal thrashers in nest. Image note: very good.

Two young crissal thrashers in nest. Image note: side view.

Palmer thrasher nest in a cholla cactus.

Palmer thrasher on edge of nest. Image note: large size, shadow across body, taken from blind.

Golden eagle nest and eggs. Image note: regular lens, upright plate, soft, best. “Aerie of Golden Eagle” Copyright 1905.