An adult lutescent warbler with a worm at nest in an arrow wood. Young bird blurred.

An adult lutescent warbler about to feed young in arrow wood. Young bird blurred.

A lutescent warbler nest and eggs.

A lutescent warbler nest and eggs in a thick mass of arrow wood.

A lutescent warbler nest and eggs in a thick mass of arrow wood.

Black-throated gray warblers feeding in nest. Bird on limb gets the worm. Nest showing.

Black-throated gray warblers feeding in nest. Bird in nest gets the worm. Image note: good.

A black-throated gray warbler nest and eggs. Image note: good.

An adult Cassin's vireo at nest with young. Image note: young bird out of focus.

An adult Cassin's vireo at nest with young. Image note: young bird out of focus.