Desert sparrow nest and three eggs in sage brush.

Vermilion flycatcher nest and three eggs on limb of a mesquite tree. Image note: upright plate.

California house (linnet) finch nest with three eggs in a cholla cactus.

Lucy warbler nest and three eggs in bark of a mesquite tree.

Lucy warbler nest in bark of a mesquite tree. No eggs showing.

Kingbird nest and four eggs in the fork of a tree.

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

Meadowlark nest and eggs in the grass.

A barn swallow perched on a post. Image note: side view.

A barn swallow perched on a post. Image note: side view.