Animal Diversity Web: Family Accipitridae
Introduces this large family of birds which recognizes 233 species in 67 genera worldwide. Includes habitats, taxonomic history, physical description, reproduction, lifespan, and behaviour.
Friends of the Swainson's Hawk
Dedicated to seeing the California population of Swainson's Hawks flourish. Information, why it is threatened, habitat needs, rescues, and reports.
Hawk Migration Association of North America
Non-profit organization supports protection and conservation of raptors. Provides HawkCount, a near-real-time international database of hawk counts, a journal, and activities.
Mas de Bunyol Vulture Observatory
Observatory in Aragón, Spain, where one can visit and observe the vultures at feeding time. Gallery, news, television reports, and visitor comments and photographs.
Site provided by Ventana Wildlife Society with profiles of the individual condors in their California Condor Recovery Program, and an adopt a condor page.
RSPB: Hawks, Vultures and Eagles
Introduces the mixed group of birds with hooked bills known as birds of prey or raptors. Provides details of the species found in the UK, with further information on each of them.