VDO swallows Al Barrus FWS.jpg

An adult cliff swallow flies to feed a nestling that’s inside a mud daub nest. The nests are built into metal rafters at Valle de Oro National Wildlife Refuge.
Photo By/Credit
Al Barrus/USFWS
Date Shot/Created
05/06/2022
Media Usage Rights/License
Public Domain
Image
An adult cliff swallow flies to feed a nestling that’s inside a mud daub nest. The nests are built into metal rafters at Valle de Oro National Wildlife Refuge.