Vagrancy in Birds Olney faces the plates

Olney faces the plates

worn covers and spine

Includes all the living and recently extinct birds of the world

Local species name and local conservation status included

Oxford Ornithology Series No

Vagrancy in Birds Olney faces the platesAn exploration of the causes and patterns of avian vagrancy. Avian vagrancythe appearance of birds outside of their expected habitatis a phenomenon that has fascinated natural historians for centuries, from Victorian collectors willing to spend fortunes on a rare specimen to today's bird chasing 'twitchers.' Yet despite the obsessions of countless ornithologists, what do we actually know about the enigma of vagrancy? In Vagrancy in Birds, Alexander