Two young road-runners in nest.

Two young road-runners in nest with bills up.

Two young road-runners in nest with heads up. One has an open mouth.

Old road-runner with lizard in mouth on the branch of a cholla cactus heading to nest.

Two elf owls in cactus. Image note: good.

Elf owl looking out of nest hole in giant cactus. Image note: large size.

Elf owl looking out of nest hole in giant cactus. Image note: large size, best plate.

Two elf owls in cactus. Image note: side view.

Two elf owls perched in cholla cactus. Image note: side view.

Herbert Brown standing at the top of a ladder examining an elf owl nest in the top of a giant cactus. Horse and buggy in the background.