Myotis lavali was described from the M. nigricans complex based on museum specimens from the Caatinga of northeastern Brazil. Current records of the species from about 10 localities suggest that M. lavali seems to occur throughout the South American dry corridor, with peripheral records in the Atlantic Forest. Based on new distribution records, we assess if M. lavali is endemic to the South American dry diagonal corridor through species distribution modeling using an ensemble approach. We obtained 35 occurrences for the species and built a consensus scenario based on 12 algorithms to model its distribution. Even using different thresholds to assign presence and absence of M. lavali, 95–99% of its predicted distribution is within the dry corridor, with few areas in the boundary of the Atlantic Forest, especially in deciduous forests. Therefore, our results support that M. lavali is indeed very likely restricted to the dry diagonal and, although it occupies forested areas, the core of its distribution lies in the Caatinga and in the Cerrado regions of Brazil.
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26 September 2019
Is Myotis lavali (Chiroptera, Vespertilionidae) endemic to the South American dry diagonal?
Marcelo M. Weber,
Roberto Leonan M. Novaes,
Mariana Delgado-Jaramillo,
Eder Barbier,
Vinícius C. Cláudio,
Enrico Bernard,
Ricardo Moratelli
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Journal of Mammalogy
Vol. 100 • No. 6
December 2019
Vol. 100 • No. 6
December 2019
Caatinga
Cerrado
LaVal's myotis
species distribution modeling