Female plumbeous gnatcatcher standing in nest with wings spread to protect young bird from the sun.

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.

Plumbeous gnatcatcher nest in a cholla cactus.

William L. Finley standing with his camera in the back of the buggy photographing a plumbeous gnatcatcher nest in a cholla cactus.

Male and female plumbeous gnatcatcher sitting on the edge of nest. Male had food for young, female with her head turned away.

Female plumbeous gnatcatcher sitting on the edge of a nest in a cholla cactus.