Abstract
Brazil is the second most bat species-rich country in the world, but the information on its species diversity, occurrence and distribution is still heterogeneous and fragmented. None of the Brazilian biomes are well surveyed for bats, but this situation is more critical in Amazonia, an area covering nearly 2/3 of the country. Here we provide updated information on the bats of Amapa, once a data gap in the diversity and distribution of bats in the easternmost Amazonia, and the Guiana Shield as well. Rapid biological assessments (5,551 mistnet.hours) were conducted in conservation units and areas of concern, resulting in 1,695 captures, 59 species, 36 genera and six families for the State. New records for the state and for the Guiana Shield area are reported. With our records, 82 species of bats are currently known in Amapa, filling a gap in the knowledge of bat fauna in the Amazon River's delta region.
Highlights
Brazil is the second most bat species-rich country in the world, but the information on its species diversity, occurrence and distribution is still heterogeneous and fragmented
Ten rapid biological assessments were conducted at the following conservation units: Parque Nacional Montanhas do Tumucumaque (PNMT), Floresta Nacional do Amapá (FNA), and the Reserva de Desenvolvimento Sustentável Rio Iratapuru
The similarity analysis among the bat faunas in the Guiana Shield areas indicated pairings and groupings (Fig. 3, Until 2004, only 48 bat species were known for the state of Amapá (CARVALHO 1962, PICCININI 1974, MOK et al 1982, PERACCHI et al 1984, BERNARD & SAMPAIO 2008)
Summary
Brazil is the second most bat species-rich country in the world, but the information on its species diversity, occurrence and distribution is still heterogeneous and fragmented. Is spite of such richness, information on the diversity, occurrence and distribution of Brazilian bat species is still heterogeneous and fragmented. The poor sampling of the Brazilian Amazonia results in large distributional data gaps, and as a consequence, refined biogeographic patterns of the bats in the Amazon Basin are still missing (LIM & ENGSTROM 2001b). The gaps in the knowledge for this important and diverse order of mammals result mainly from the complexities of performing inventories in Amazonia, and from the small number of wellsampled sites in the region
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