Side of a shed showing two black phoebe nests in the eaves.

Pyrrhuloxia sitting in nest with open mouth. Image note: 3/4 front view, large size.

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

Male plumbeous gnatcatcher on the edge of nest after feeding young.

Male plumbeous gnatcatcher on the edge of nest after feeding young. Image note: side view.

Male plumbeous gnatcatcher on the edge of nest in cholla cactus. Location note: beyond university.

Male plumbeous gnatcatcher on the edge of nest after feeding young. Image note: tail blurred.

Male plumbeous gnatcatcher on the edge of nest after feeding young. Image note: side view, good.

Bendire thrasher nest and eggs in a cholla cactus.

Phoebe Katherine Finley sitting on a box with a young desert sparrow in her hand. An adult desert sparrow feeds the young bird. Image note: back view.