Cliff Swallow, often mistaken with Barn Swallows nesting in the rafters at the side of a California Cabin

cliff swallow nest hirundo rustica swallow beak passerine bird avian ornithology barn songbird wildlife pullus petrochelidon pyrrhonota plumage ecology animal species brown wings migratory wing outdoor ledges state park feather mud natural feathers nature wild cute cliff nobody usa europe no people iridescent white