Resumo

BOJORGES-BANOS, JC. Bird species richness in the Cacaluta river micro-basin, Oaxaca, Mexico. Universidad y ciencia [online]. 2011, vol.27, n.1, pp.87-95. ISSN 0186-2979.

The bird species richness in the Cacaluta river micro-basin, Oaxaca, is recorded including the results obtained during 33 days of sampling. We recorded 110 species of 40 families and 16 orders. Of these, 78 (71%) were resident and 32 (29%) migrants. Forty-five species were registered in all the sampling sites, whereas 16 were observed in only one. This inventory represents 37% of the richness reported previously, however, the recording of four species not found in previous studies is noted. This adds to the knowledge of the birds of this region in particular.

Palavras-chave : Birds; species richness; coast; Oaxaca.

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