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1 December 2009 Allen's Big-Eared Bat (Idionycteris phyllotis) Documented in Colorado Based on Recordings of its Distinctive Echolocation Call
Mark A. Hayes, Kirk W. Navo, Lea'R. Bonewell, Cyndi J. Mosch, Rick A. Adams
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Abstract

Allen's big-eared bat (Idionycteris phyllotis) inhabits much of the southwestern USA, but has not been documented in Colorado. We recorded echolocation calls consistent with I. phyllotis near La Sal Creek, Montrose County, Colorado. Based on characteristics of echolocation calls and flight behavior, we conclude that the echolocation calls described here were emitted by I. phyllotis and that they represent the first documentation of this species in Colorado.

Mark A. Hayes, Kirk W. Navo, Lea'R. Bonewell, Cyndi J. Mosch, and Rick A. Adams "Allen's Big-Eared Bat (Idionycteris phyllotis) Documented in Colorado Based on Recordings of its Distinctive Echolocation Call," The Southwestern Naturalist 54(4), 499-501, (1 December 2009). https://doi.org/10.1894/JKF-01.1
Received: 23 April 2008; Accepted: 1 December 2008; Published: 1 December 2009
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