[PDF] Top 20 High duty cycle echolocation and prey detection by bats
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High duty cycle echolocation and prey detection by bats
... In the laboratory, measures of echo strength indicated that the best bandwidths and sweep rates for detecting fluttering targets occurred at both ends of the distribution (either narrowband or very broadband), but we ... See full document
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Evolution of high duty cycle echolocation in bats
... Duty cycle describes the relative ʻon timeʼ of a periodic signal. In bats, we argue that high duty cycle (HDC) echolocation was selected for and evolved from low ... See full document
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Echolocation and passive listening by foraging mouse eared bats Myotis myotis and M blythii
... increased echolocation interpulse intervals, probably to reduce temporal overlap between incoming signals (Barber et ...during prey approach, a pattern commonly observed in bats foraging on the ... See full document
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Geographical variation in the high duty cycle echolocation of the cryptic common mustached bat Pteronotus cf rubiginosus (Mormoopidae)
... Do echolocation signal parameters restrict bats’ choice of ...In: Echolocation in bats and ...in Echolocation Calls of the Endemic Myotis davidii in ... See full document
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Time variant spectral peak and notch detection in echolocation call sequences in bats
... gleaning bats. These bats pick up prey from the ...gleaning bats is Megaderma lyra Geoffroy 1810, the great false vampire ...For prey detection, M. lyra relies on ... See full document
6
Mysterious Mystacina: how the New Zealand short tailed bat (Mystacina tuberculata) locates insect prey
... the detection of arthropod prey. We first describe the echolocation calls of ...arthropod prey in uncluttered space (by aerial hawking) and in leaf litter, where echolocation calls will ... See full document
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The peripheral auditory characteristics of noctuid moths: responses to the search phase echolocation calls of bats
... FM bats. Many species of bats using FM calls have call durations shorter than 10 ms (data from Obrist et ...allow detection of FM bats at greater range without affecting the ability to detect ... See full document
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Jamming avoidance response of big brown bats in target detection
... individual bats are ‘personalized’ for ...between bats for individuals to recognize each other (Masters et ...The bats in the present experiment may have been shifting their tail-end CF frequencies ... See full document
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Ambient noise causes independent changes in distinct spectro temporal features of echolocation calls in horseshoe bats
... these bats, a recent study reported noise-related deterioration in echolocation performance in greater mouse-eared bats ...of echolocation calls, however, could significantly affect the bat’s ... See full document
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Tiger moth responses to a simulated bat attack: timing and duty cycle
... 18.1·ms and pulse duration of 2.5·ms. The final buzz II phase was distinguished by a sudden decrease in interpulse interval to 5–6·ms. The 17 calls in this phase had an average duration of 0.8·ms. Calls increase in ... See full document
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Echolocation call structure and intensity in five species of insectivorous bats
... the bats may have responded to flying in an enclosed space by reducing their call ...stationary bats echolocate more at lower intensities than do flying ones support the suggestion that flight and ... See full document
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What ears do for bats: a comparative study of pinna sound pressure transformation in chiroptera
... of bats from 13 ...non-echolocating bats, in species using different echolocation strategies and in species that depend upon prey-generated sounds to locate their ...its echolocation ... See full document
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Directionality of nose emitted echolocation calls from bats without a nose leaf (Plecotus auritus)
... of echolocation-beam directionality in a gleaning vespertilionid ...directional echolocation beams (DI ≈ 17 dB) while ...gleaning bats emit a narrow echolocation beam to reduce the impact of ... See full document
6
Comparing passive and active hearing: spectral analysis of transient sounds in bats
... hearing, bats could compensate for spectral distortions during echolocation by adapting the call spectrum to the spectral shape of passive acoustic ...signals. Bats constantly adjust their signals to ... See full document
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Echolocation call intensity in the aerial hawking bat Eptesicus bottae (Vespertilionidae) studied using stereo videogrammetry
... The study was conducted around the Ben-Gurion Tomb at the Sede Boqer campus of the Ben-Gurion University of the Negev, Israel between the 2nd and 7th of July 2003. The two video cameras were set up overlooking a gorge in ... See full document
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When hawks attack: animal borne video studies of goshawk pursuit and prey evasion strategies
... insect prey (Arbanas, 2006; Jabłoński and Strausfeld, 2000) and the vampire squid uses an antipredator display in which two circular photophores change diameter and its lighted arm tips move radially to simulate ... See full document
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Baier, Anne Leonie (2019): Coding of spatial and temporal frequency in bat biosonar. Dissertation, LMU München: Fakultät für Biologie
... 1933). Bats had to move towards the flat disc, where they were rewarded with a mealworm as soon as they interrupted the corresponding light ...the bats returned to the starting position, where they waited ... See full document
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... Bat species inventorization has been invasive in nature. However, through the use of newer technology, a shift has been observed from invasive methods to minimally invasive and completely non-invasive methods of studying ... See full document
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High frequency electrical stimulation reveals a p38–mTOR signaling module correlated with force–time integral
... a very close correlation between heat production during an activation and decline in peak force of a second activation, indicating that decline in peak force is a useful proxy for energy expenditure. During LDC ... See full document
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Echolocation behavior in big brown bats is not impaired after intense broadband noise exposures
... digitally high-pass filtered at 15 kHz to remove ambient ...all echolocation tasks, we also used a second metric based on the ratio of the post-IPI to the pre-IPI for each pulse (Wheeler et ... See full document
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