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Peterson Reference Guide to Seawatching: Eastern Waterbirds in Flight

Autor: Behrens, Ken
Cox, Cameron

Editorial: Houghton Mifflin Company

Formato:Tapa Dura

Tipo Saldo

Precio de Lista:$35.00
Nuestro Precio:$10.69 (69% Descuento) USD
Stock:1

Resumen:

Peterson Reference Guide to Seawatching: Eastern Waterbirds in Flight : Seawatching is the challenging act of identifying waterbirds in flight. Since more than one hundred different species can fly past an observation point, often at great speed or in tightly packed, mixed-species flocks, identification of these distant shapes can be a mystery. The keys to the mystery--the subtle traits that unlock the identity of flying waterbirds, be it wingbeat cadence, individual structure, flock shape and behavior, or subtle flashes of color--are revealed in this guide.

Though commonly called seawatching, this on-the-fly observation and identification method is by no means restricted to the coast. There are impressive waterbird migrations on the Great Lakes, the Gulf of Mexico, and many inland lakes and rivers. Nor is it restricted to migrating waterfowl, as the principles of flight identification apply as effectively to ducks flushed off a pond as to distant migrating flocks. Like Hawks in Flight and The Shorebird Guide, the Peterson Reference Guide to Seawatching breaks new ground, provides cutting-edge techniques, and pushes the envelope in bird identification even further. NOTE: This is a Scratch and Dent book and may have noticeable dents, scratches and various other cosmetic issues as well as torn or missing dust jacket. These items are only guaranteed to be structurally complete and readable and therefore are sold as is.


Categoría   Sub-Categoría
Naturaleza y Aire libre   Birds & Birdwatching

ISBN 13:9780547237398
ISBN 10:0547237391
Formato:Tapa Dura
Idioma:Inglés
Páginas:602
Tamaño:10.50" l x 7.50" w x 1.50" h
Edades:
Grado:

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