Resumo

CARMONA, Roberto et al. Aerial winter census of shorebirds in the Sonora coast, Mexico (winter 2016-2017). Acta Zool. Mex [online]. 2020, vol.36, e3612193.  Epub 28-Ago-2020. ISSN 2448-8445.  https://doi.org/10.21829/azm.2020.3612193.

We evaluated the importance of Sonoran coastal lagoons for wintering shorebird by carrying out in February 2017 aerial surveys in 13 of the largest lagoons. We recorded 400,716 shorebirds, 70% corresponded to the southern portion, 9% to the middle portion and 21% to the north of the state. The three most important bays in numbers and percentages of shorebirds were Tóbari (127,570 records, 32%), Yavaros-Moroncarit (86,469 records, 21%) and Lobos (55,684 records, 14%). Other places with important abundances were San Jorge Bay (34,768 records, 9%), Santa Clara (18,769 records, 5%) and Colorado River's Delta (20,184 records, 5%). By size, small (15-22cm) and big (33cm or bigger) shorebirds abundances were similar (48% y 43%, respectively), medium size (23-32cm) shorebirds were uncommon (8%). Abundance ranks Sonora between the three most relevant states in Mexico for wintering shorebirds (along with Baja California Sur and Sinaloa.)

Palavras-chave : coastal wetland; wintering sites; monitoring methods; Gulf of California.

        · resumo em Espanhol     · texto em Espanhol     · Espanhol ( pdf )