Cornell Lab of Ornithology
Cornell Lab of Ornithology: Cliff Swallow
An abundance of facts, photo, and sounds of the Cliff Swallow are found on this detailed site. Topics highlighted are: cool facts, description, range, habitat, food, behavior, reproduction, and conservation status.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Northern Rough Winged Swallow
A detailed site that covers an abundance of facts. Topics highlighted are: description, range, habitat, food, behavior, reproduction, and conservation status. In addition, listen to the sounds of this species on this site.