Young Parkman’s wren sitting in the entrance to its nest.

Young Parkman’s wren sitting in the entrance to its nest.

Adult cactus wren about to enter nest.

Adult cactus wren about to enter nest.

Adult cactus wren just entering entrance to nest.

Adult cactus wren about to enter nest. Image note: partially blurred.

Adult cactus wren at entrance of nest. Image note: back view, not very good.

Adult cactus wren about to enter nest with food. Image note: side view, very good.

Cactus wren nest in mesquite bush.

A western winter wren nest.