Eagles, Hawks, and Falcons of the World, Volume 1McGraw-Hill, 1968 - 945 pagina's |
Inhoudsopgave
INTRODUCTION | 9 |
INTRODUCTORY CHAPTERS | 15 |
CLASSIFICATION AND DISTRIBUTION | 17 |
Copyright | |
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Accipiter Africa African Fish Eagle areas barred Bateleur bill birds of prey Black Kite blackish breast BREEDING HABITS breeding season brood buff Buteo Buzzard carcase carrion cere Circaetus Circus colour Common Buzzard Condor crest crown dark brown darker display Downy young edges falcons feathers feed feet female FIELD CHARACTERS fledging period flight forest Genus Golden Eagle Goshawk grey greyish ground Gyps Haliaeetus harriers hatched hawks head and neck hunting immature inner webs insects Kestrel kill Kite Lammergeier larger leave the nest legs less mammals migration nape Osprey pair pale paler parents perch Peregrine Falcon Plate plumage primaries race range raptors Red-footed Falcon roost rufous Secretary Bird soaring sometimes Sparrow-hawk species streaked tarsus throat tipped tree tropical Turkey Vulture under-wing coverts upper-tail coverts usually Verreaux's Eagle White-backed Vulture whitish wing coverts wing loading wing quills winter World vultures yellow