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White-striped freetail bat in Tasmania – resident, vagrant or climate change migrant?

journal contribution
posted on 2023-05-17, 17:58 authored by Cawthen, LM
The white-striped freetail bat (Austronomus australis) is distributed throughout mainland Australia, but historically has not been known from the island of Tasmania, off south-eastern mainland Australia. Between 2009 and 2012, echolocation calls identified as those of A. australis were recorded in Tasmania during bat call surveys. There are three hypotheses that could explain the discovery of this species in Tasmania: that A. australis is a previously undetected resident; it is a vagrant; or it is undergoing a southwards range expansion or shift. Based on the limited evidence available, including this species’ long-range flight capabilities (including over open water out to sea), I suggest that this species is a periodic vagrant to Tasmania and that monitoring is necessary to identify whether this species is undergoing a southwards range extension into Tasmania.

History

Publication title

Australian Mammalogy

Volume

35

Pagination

251-254

ISSN

0310-0049

Department/School

School of Natural Sciences

Publisher

CSIRO Publishing

Place of publication

Australia

Rights statement

Journal compilation ?copyright 2013 Australian Mammal Society

Repository Status

  • Restricted

Socio-economic Objectives

Terrestrial biodiversity

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    University Of Tasmania

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