Cliff Swallows Gather Mud
by Marie Read
Title
Cliff Swallows Gather Mud
Artist
Marie Read
Medium
Photograph - Photograph
Description
Cliff Swallows (Petrochelidon pyrrhonota) fluttering their wings while they gather mud in their bills to use as nesting material, Mono Lake Basin, California, USA. Wing fluttering is thought to be performed to prevent forced mating (rape) that regularly occurs in this social situation.
Uploaded
March 26th, 2015
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