학술논문

Predation on Mexican free-tailed bats (Tadarida brasiliensis) by Merlin (Falco columbarius)
Document Type
Report
Source
Southwestern Naturalist. December 2013, Vol. 58 Issue 4, p508, 5 p.
Subject
United States
Language
English
ISSN
0038-4909
Abstract
Falco columbarius (merlin) was observed attacking and feeding on Tadarid a brasiliensis (Mexican free-tailed bat) in downtown Abilene, Texas. The number of bats, time of emergence, the number of attacks by merlin, and success of merlin capturing bats were recorded. This study also documents techniques used by bats to avoid predation. To our knowledge, this study documents the first known predation of Mexican free-tailed bat by merlin and is one of the few that shows sustained predation on Mexican free-tailed bat by any species of bird of prey. Falco columbarius (esmerejon) fue observado atacando y alimentandose de Tadarid a brasiliensis (murcielago de cola libre) en el centro de la cuidad de Abilene, Texas. El numero de murcielagos, la hora de su salida, el numero de ataques por el esmerejon, y el exito del esmerejon capturando los murcielagos fueron registrados. Este estudio tambien documenta las tecnicas de los murcielagos para evitar la depredacion. Hasta donde sabemos, este estudio documenta la primera depredacion conocida del murcielago de cola libre por el esmerejon y uno de pocos que muestra la depredacion sostenida del murcielago de cola libre por cualquier especie de ave de rapina.
We conducted this study to describe and document the predation of Tad arid a brasiliensis (Mexican free-tailed bat) by Falco columbarius (merlin). Mexican free-tailed bats roost in available anthropogenic structures [...]