Raptors of the World (Helm Identification Guides)
James Ferguson-Lees, David A. Christie, Kim Franklin, David Mead, Philip Burton
This guide covers all the world's 313 raptor species illustrated with adult, juvenile and selected immature plumages as well as main geographical races. There are illustrations of over 2000 perched and flying birds, some with typical prey and facing texts summarising length, wingspan, male-to-female proportion, shape and flight. The text is further enhanced with line drawings illustrating specific points about identification and behaviour. "Covering every species of raptor on the planet, this book is perfect for anyone with an interest in birds of prey." Birdwatch
年:
2001
出版:
1
出版社:
Christopher Helm Publishers Ltd
语言:
english
页:
992
ISBN 10:
0713680261
ISBN 13:
9780713680263
系列:
Helm Identification Guides
文件:
PDF, 76.29 MB
IPFS:
,
english, 2001