Journal ArticleDOI
Echolocation and feeding behaviour in four species of Myotis (Chiroptera)
M. Brock Fenton,Gary P. Bell +1 more
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TLDR
The echolocation calls of this species were of shorter duration, lower intensity, broader frequency range with a higher frequency of maximum energy, and showed an initial upward sweep in frequency relative to the calls of the other Myotis the authors studied.Abstract:
We have compared the echolocation and feeding behaviours of Myotis lucifugus, M. californicus, M. volans, and M. auriculus based on observations and recordings of bats in the field. Myotis lucifugus and M. californicus appeared to detect prey at close range (≤ 1 m) and regularly made several attempts to capture insects over short distances; both used similar frequency-modulated echolocation calls. Myotis volans detected prey at greater distances (5–10 m), made only one attempt to capture insects per pass through a feeding area, and used an echolocation call with a distinct constant-frequency component. Myotis auriculus fed mainly on resting insects, mostly moths. The echolocation calls of this species were of shorter duration, lower intensity, broader frequency range with a higher frequency of maximum energy, and showed an initial upward sweep in frequency relative to the calls of the other Myotis we studied. Myotis auriculus did not increase their pulse repetition rate as they closed with stationary prey...read more
Citations
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Journal ArticleDOI
Ecological Morphology and Flight in Bats (Mammalia; Chiroptera): Wing Adaptations, Flight Performance, Foraging Strategy and Echolocation
TL;DR: Bat wing morphology is considered in relation to flight performance and flight behaviour to clarify the functional basis for eco-morphological correlations in flying animals, and adaptive trends in wing adaptations are predictably and closely paralleled by echolocation call structure.
BookDOI
Ecology of bats.
TL;DR: This chapter discusses the Ecology of Bat Reproduction, Growth and Survival of Bats, and the Ecological Aspects of Bat Activity Rhythms.
Journal ArticleDOI
The foraging behaviour and ecology of animal-eating bats
TL;DR: In this review, information about bat foraging is considered in the context of structural and functional features, the former relating to bats' access to habitats of different complexity and the latter to their behavioural responses.
Journal ArticleDOI
A Comparison of Acoustic Versus Capture Techniques for the Inventory of Bats
TL;DR: In this article, the authors compared results of acoustic versus capture techniques in the southwestern United States and found no statistical difference between capture and acoustic sampling with respect to species that use low-intensity echolocation.
Journal ArticleDOI
The echolocation and hunting behavior of Daubenton's bat, Myotis daubentoni
TL;DR: The echolocation and hunting behavior of Daubenton's bat (Myotis daubentoni) was studied in the field under completely natural conditions using a multiflash photographic system synchronized with high-speed tape recordings to corroborate the hypothesis that the minimum detection distance can be estimated from the sound duration during search flight.
References
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Journal ArticleDOI
The echolocation of flying insects by bats
TL;DR: Although bats sometimes detect insect prey by passive listening to sounds emanating from the insects themselves, these experiments appear to establish conclusively that small and relatively silent insects are often detected by echolocation.
Journal ArticleDOI
Echolocation and pursuit of prey by bats
TL;DR: Echolocating bats use different information-gathering strategies for hunting prey in open, uncluttered environments, in relatively open environments with some obstacles, and in densely cluttered environments.
Journal ArticleDOI
Feeding Strategies of the Little Brown Bat, Myotis Lucifugus, in Southern New Hampshire
TL;DR: It is suggested that increased resource availability allowed selective feeding in adult bats during July, as predicted by presy selection models, however, reduced discriminatory abilities may prevent similar levels of prey selection in juveniles.
Journal ArticleDOI
Variation in the diet of Myotis lucifugus (Chiroptera: Vespertilionidae)
J. J. Belwood,M. B. Fenton +1 more
TL;DR: It is suggested that M. lucifugus is opportunistic in its feeding habits, and that the adults efficiently harvest s warms of aquatic insects, a trait not fully acquired by the adults.