Standardization of roadside counts of columbids in Puerto Rico and on Vieques Island

An edition of Standardization of roadside counts of columbids in Puerto Rico and on Vieques Island (1993)

Standardization of roadside counts of columbids in Puerto Rico and on Vieques Island

By Frank F Rivera-Milán

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Publish Date

1993

Publisher

U.S. Dept. of the Interior, National Biological Survey

Language

eng

Pages

Description:

subjects: Counting, Columbidae, Pigeons, Bird watching

Places: Puerto Rico, Vieques Island