Observations of Summer Roosting and Foraging Behavior of a Hoary Bat (Lasiurus cinereus) in Southern New Hampshire

Few data are available that describe the roosting and foraging ecology of the Hoary Bat (Lasiurus cinereus), and no such data are available for the northeastern United States. We captured a juvenile Hoary Bat in south-central New Hampshire during July of 2007 and monitored its roosting behavior for...

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Bibliographic Details
Published in:Northeastern naturalist 2009-03, Vol.16 (1), p.148-152
Main Authors: Veilleux, Jacques Pierre, Moosman, Paul R, Scott Reynolds, D, LaGory, Kirk E, Walston, Leroy J
Format: Article
Language:English
Subjects:
Air forces
Animal behavior
Bats
Coniferous forests
Deciduous forests
Deciduous trees
Foraging
Foraging behavior
Forest canopy
Forest habitats
Geographic regions
Habitats
Height
Lasiurus cinereus
Trees
Tsuga canadensis
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Summary:Few data are available that describe the roosting and foraging ecology of the Hoary Bat (Lasiurus cinereus), and no such data are available for the northeastern United States. We captured a juvenile Hoary Bat in south-central New Hampshire during July of 2007 and monitored its roosting behavior for ten days and its foraging behavior for one night. The bat roosted with two other bats, which we presumed were its mother and sibling. These bats roosted exclusively in Tsuga canadensis (Eastern Hemlock Tree) and tended to roost near tree tops in the forest canopy. The radiotagged bat used at least six roost trees and changed roost location eight times during the ten-day observation period. Although roost-tree fidelity was low, all roost trees were located within a maximum circular area of 0.5 ha. The bat foraged over an estimated 156-ha area of mostly forest habitat (68%), with additional open habitats (15%) and wetlands (17%). These data are the first observations of roosting and foraging behaviors by the Hoary Bat in the northeastern region of its geographic range.
ISSN:1092-6194
1938-5307
DOI:10.1656/045.016.0113