Cliff Swallow
Cliff Swallow with a mouthful of insects captured in flight--4676
Cliff Swallow calling in flight--4707
Cliff Swallow underwing--4760
Cliff Swallow tail spread--5044
Cliff Swallow in flight dorsdal view--6619
Cliff Swallow in flight downstroke--1088
Cliff Swallow in flight upstroke--5730
Cliff Swallow in flight ventral view
Cliff Swallow gathering mud
Cliff Swallow colony, classic retort shape nest at far right--9554
Cliff Swallows at home #2--9734
Cliff Swallows at home--9763
Cliff Swallows at working on nest
Cliff Swallows gathering mud
Cliff Swallow with building supplies--1000
Cliff Swallow with building material
Cliff Swallow approaching nest--9697
Cliff Swallow entering nest--9808
Cliff Swallows approaching nest
Cliff Swallows, engineers at work
Cliff Swallow leaving nest--9694
Cliff Swallows chasing--5590
Cliff Swallows chasing #2--5589