Abstract
We report the first record of Furipterus horrens (Cuvier, 1828) in the state of Paraná, southern Brazil. A male specimen was captured using a harp trap in the entrance of a cave in the Parque Municipal Gruta do Bacaetava. The morphometric data and morphological characters of the specimen are within the known range documented for this species. This new record fills a gap in the known distribution of F. horrens and provides potentially valuable information that can beused to plan conservation measures.
Highlights
The Thumbless Bat, Furipterus horrens (Cuvier, 1828), belongs to the family Furipteridae in which only 2 genera are included: Amorphochilus Peters, 1877 and Furipterus Bonaparte, 1837
Our voucher specimen conforms with all the morphological characteristics of Furipterus horrens: small size; dense and long grayish fur, with the ventral region lighter than the dorsal; a greatly reduced thumb which are involved in the wing membrane up to the base of the vestigial nail; pointed ears and short and triangular tragus; large uropatagium exceeding the feet in length when extended and tail extending a little less than 3⁄4 the length of the uropatagium; long an cartilaginous calcar; wide and round cranium, with a short rostrum about half the length of the braincase; short palate does not extending well beyond the last molar (Husson 1962, Uieda et al 1980, Nowak 1994, Reis and Gazarini 2007, Gardner 2008)
Previous studies in the states of Ceará, Distrito Federal, and Tocantins showed that individuals of F. horrens were able to detect mist nets and maneuver to avoid them (Uieda et al 1980, Bredt et al 1999, Sato et al 2011)
Summary
The Thumbless Bat, Furipterus horrens (Cuvier, 1828), belongs to the family Furipteridae in which only 2 genera are included: Amorphochilus Peters, 1877 and Furipterus Bonaparte, 1837 It is one of the smallest Neotropical bats, with a weight spanning 3–5 g (Nowak 1994) and can be recognized by the presence of a dense grayish fur, a truncated and disc-shaped muzzle, pointed ears and inconspicuous thumbs (Gardner 2008). Furipterus horrens is widely distributed it has been rarely recorded in Brazil, and it is currently categorized as Vulnerable in the Brazilian Red List of threatened species (MMA 2014). The sensitivity of this species to environmental alterations and the growing depletion of caves, which are their main natural diurnal roost, are one of the greatest threats to the conservation of F. horrens populations (Guimarães and Ferreira 2014)
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