NDLI: Biomechanic consequences of differences in wing morphology betweenTadarida brasiliensis andMyotis chiloensis

Content Provider	Springer Nature Link
Author	Iriarte Díaz, José Novoa, F. Fernado Canals, Mauricio
Copyright Year	2002
Abstract	The wing morphology of bats is very diverse, and may correlate with energetic, behavioural, and ecological demands. If these demands conflict, wing shape may reflect compromise solutions. In this study, we compared the wing morphology of two bats,Tadarida brasiliensis (Geoffroy, 1824) andMyotis chiloensis (Waterhouse, 1828), that differ in body size, habitat, and foraging behaviour. We analyzed features of biomechanical and energetic relevance, and sought evidence of compromise solutions to energetic, ecological, and behavioural demands. We found that wing span of both species conformed to expectations based on allometric relationships, but that although the wing area ofM. chiloensis did not differ from predictions, the wing area ofT. brasiliensis was lower.M. chiloensis possessed an unusually low second moment of area of the humerus. Wing form ofM. chiloensis is consistent with highly maneuverable flight needed to live between shrubs and wooded habitats, and its low aspect ratio and low wing loading indicate a high energetic cost and a low flight speed, respectively. The low humeral second moment of area may be related to a reduction of wing mass and may result in decreased inertial power. In contrast,T. brasiliensis showed high aspect ratio and wing loading, characteristic of high speed, energetically economic flight.
Starting Page	193
Ending Page	200
Page Count	8
File Format	PDF
ISSN	00017051
Journal	Acta Theriologica
Volume Number	47
Issue Number	2
e-ISSN	21903743
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	wing morphology bats wing loading aspect ratio flight behaviour Chile Zoology Animal Physiology Behavioural Sciences Animal Ecology Evolutionary Biology Animal Anatomy Morphology Histology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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