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1

Winged messengers : the decline of birds /

Winged messengers : the decline of birds /

por Youth, Howard
Publicado 2003

Libro

2

Field manual of wildlife diseases : general field procedures and diseases of birds /

Field manual of wildlife diseases : general field procedures and diseases of birds /

Publicado 1999

Libro

3

Managing habitat for grassland birds : a guide for Wisconsin /

Managing habitat for grassland birds : a guide for Wisconsin /

por Sample, David W., Sample, David W., Mossman, Michael J.
Publicado 1997

Libro

4

Bird diversity and conservation of Alto Balsas (Southwestern Puebla), Mexico /

Bird diversity and conservation of Alto Balsas (Southwestern Puebla), Mexico /

por Ramírez Albores, Jorge E.

Ver artículo en digital

Artículo

5

Proceedings of the National Audubon Society's Symposium on the birds of Mexico their ecology and conservation /

Proceedings of the National Audubon Society's Symposium on the birds of Mexico their ecology and conservation /

Publicado 1990

Libro

6

Bluebird rescue : a harrowsmith country lif nature guide /

Bluebird rescue : a harrowsmith country lif nature guide /

por Hilman, Johan Rattner
Publicado 1992

Libro

7

Ornithology /

por Gill, Frank B.
Publicado 2007

Libro

8

Bird migration, weather and fallout : including the migrant traps of Alabama and Northwest Florida /

Bird migration, weather and fallout : including the migrant traps of Alabama and Northwest Florida /

por Duncan, Robert A.
Publicado 1994

Libro

9

Saving the birds : an international challenge.

Saving the birds : an international challenge.

Publicado 1986

Libro

10

Conserving migratory birds /

Conserving migratory birds /

Publicado 1991

Libro

11

How birds migrate /

How birds migrate /

por Kerlinger, Paul
Publicado 1995

Libro

12

Trees, shrubs, and vines for attacting birds : a manual for the northeast /

Trees, shrubs, and vines for attacting birds : a manual for the northeast /

por Degraaf, Richard M.
Publicado 1979

Libro