The cliff swallow, one of the 74 species of swallows, nests in large colonies. Primarily insectivorous, the cliff swallow generally feeds while in flight.
Len Rue, Jr./Photo Researchers, Inc.Library of Natural Sounds, Cornell Laboratory of Ornithology. All rights reserved.
"Cliff Swallow," Microsoft(R) Encarta(R) 96 Encyclopedia. (c) 1993-1995 Microsoft Corporation. All rights reserved.
