Cliff Swallow
(Petrochelidon pyrrhonota)

Cornell Lab of Ornithology
Photos of cliff swallow, illustrations,
sound file, breeding, nesting, migration,
physical description
                                          
National Wildlife Federation
Photo, song (sound file), description,
voice, habitat, nesting, range, discussion

Peter LaTourrette's Bird Photo Gallery
Photos of cliff swallow

Animal Diversity Web