Bob Becker's photographs:
Tree Swallow ( Tachycineta bicolor)
Bob Becker's photographs:
Tree Swallow (Tachycineta bicolor)
Bob Becker's photographs:
Tree Swallow (Tachycineta bicolor)
Bob Becker's photographs:
Barn Swallow (Hirundo rustica)
Bob Becker's photographs:
Barn Swallow (Hirundo rustica)
Bob Becker's photographs:
Barn Swallow (Hirundo rustica)
Bob Becker's photographs:
Barn Swallows (Hirundo rustica)
Bob Becker's photographs:
Barn Swallow (Hirundo rustica)
Bob Becker's photographs:
Cliff Swallow (Petrochelidon pyrrhonota)
Bob Becker's photographs:
Cliff Swallow (Petrochelidon pyrrhonota)
Bob Becker's photographs:
Cliff Swallows (Petrochelidon pyrrhonota)
Bob Becker's photographs:
Cliff Swallow (Petrochelidon pyrrhonota)
Bob Becker's photographs:
Purple Martin (Progne subis)
Bob Becker's photographs:
Northern Rough-winged Swallow
Bob Becker's photographs:
Purple Martin (Progne subis)
Bob Becker's photographs:
Cave Swallow (Hirundo fulva)
Bob Becker's photographs:
Cave Swallows (Hirundo fulva)
Bob Becker's photographs:
Northern Rough-winged Swallow (Stelgidopteryx serripennis )
Bob Becker's photographs:
Northern Rough-winged Swallow (Stelgidopteryx serripennis )
Bob Becker's photographs:
Northern Rough-winged Swallow (Stelgidopteryx serripennis)
Bob Becker's photographs:
Northern Rough-winged Swallow (Stelgidopteryx serripennis)
Bob Becker's photographs:
Bank Swallow (Riparia riparia)
Bob Becker's photographs:
Violet-green Swallow (achycineta thalassina)