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| The Reserva Biológica do Mato Grande
encompasses 5,161 hectares of wetlands, restinga forests
and grasslands in southern Brazil. Aiming to assemble
a list of bird species occurring in the reserve, we carried
out 21 monthly expeditions from July 2007 to March
2009 and an additional visit on October 2014, totaling
341 hours of sampling. We additionally searched for
records in online databases and museums. In total,
211 species of birds were found, compared to 223.83
(SD = 3.88) and 214.68 (SD = 4.71) species respectively
predicted through Jackknife 2 and Chao 2 estimations.
Plegadis chihi was the most abundant bird roosting in
the reserve. The area is important for the conservation
of Circus cinereus, Spartonoica maluroides, Limnoctites
rectirostris and Sporophila palustris, which are considered
threatened or near-threatened in state, national and/
or global levels. We emphasize the urgent need of
implementing the Reserva Biológica do Mato Grande in
order to conserve the regional avifauna. | |
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