Results 21 to 30 of about 2,249 (202)

Fast vocal-motor tracking of escaping prey in echolocating bats [PDF]

open access: yesBMC Biology
Background Echolocating bats face an intense arms race with insect prey that can detect bat calls and initiate evasive maneuvers. Their high closing speeds and short biosonar ranges leave bats with only a few 100 ms between detection and capture ...
Ilias Foskolos   +5 more
doaj   +2 more sources

The jamming avoidance response in echolocating bats [PDF]

open access: yesCommunicative & Integrative Biology, 2019
Bats face many sources of acoustic interference in their natural environments, including other bats and potential prey items that affect their ability to interpret the returning echoes of their biosonar signals.
Te K. Jones, William E. Conner
doaj   +2 more sources

Laminar Distribution of Spectrotemporal Receptive Field Subtypes in the Primary Auditory Cortex of Echolocating Bats. [PDF]

open access: yesAnn N Y Acad Sci
This study examines how the bat auditory cortex evolved to process biosonar echoes during echolocation. Neurons in more superficial cortical layers exhibited more complex receptive fields matching the modulated acoustic patterns of echoes reflected from obstacles and prey, rather than just the bats' emitted pulses, suggesting that these cortical ...
Faunce JA   +4 more
europepmc   +2 more sources

Predicting ecology and hearing sensitivities in Parapontoporia-An extinct long-snouted dolphin. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract Analyses of the cetacean (whale and dolphin) inner ear provide glimpses into the ecology and evolution of extinct and extant groups. The paleoecology of the long‐snouted odontocete (toothed whale) group, Parapontoporia, is primarily marine with its depositional context also suggesting freshwater tolerance.
Sanks J, Racicot R.
europepmc   +2 more sources

Bat biosonar signals [PDF]

open access: yesThe Journal of the Acoustical Society of America, 2021
The Reflections series takes a look back on historical articles from The Journal of the Acoustical Society of America that have had a significant impact on the science and practice of acoustics.
James A. Simmons, Gregory J. Auger
openaire   +2 more sources

How frequency hopping suppresses pulse-echo ambiguity in bat biosonar [PDF]

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2020
Chen Ming, Mary E Bates, James A Simmons
exaly   +2 more sources

Vocalization Characteristics of the Indo-Pacific Humpback Dolphins (<i>Sousa chinensis</i>) in Xiamen Bay With Insights on Regional Differences. [PDF]

open access: yesEcol Evol
The Indo‐Pacific humpback dolphin population in Xiamen Bay was divided into two geographically separated but socially associated communities inhabiting the West and East sub‐regions. Based on 3 years of boat‐based surveys, this study established baseline acoustic characteristics and investigated whether vocal patterns varied with habitat conditions ...
Peng X   +11 more
europepmc   +2 more sources

Biosonar activity of the Indo-Pacific humpback dolphin (Sousa chinensis) near the tunnel section of the world’s longest cross-sea bridge—the Hong Kong-Zhuhai-Macao Bridge—is negatively correlated with underwater noise

open access: yesFrontiers in Marine Science, 2023
Underwater noise pollution from the world’s longest cross-sea bridge—the Hong Kong-Zhuhai-Macao Bridge (HZMB)—which stretches across the Chinese White Dolphin National Nature Reserve (of the People’s Republic of China, PRC) in the Pearl River Estuary may
Xue An   +17 more
doaj   +1 more source

Hearing sensation levels of emitted biosonar clicks in an echolocating Atlantic bottlenose dolphin. [PDF]

open access: yesPLoS ONE, 2012
Emitted biosonar clicks and auditory evoked potential (AEP) responses triggered by the clicks were synchronously recorded during echolocation in an Atlantic bottlenose dolphin (Tursiops truncatus) trained to wear suction-cup EEG electrodes and to detect ...
Songhai Li   +3 more
doaj   +1 more source

Noseleaf dynamics during pulse emission in horseshoe bats. [PDF]

open access: yesPLoS ONE, 2012
Horseshoe bats emit their biosonar pulses nasally and diffract the outgoing ultrasonic waves by conspicuous structures that surrounded the nostrils. Here, we report quantitative experimental data on the motion of a prominent component of these structures,
Lin Feng   +3 more
doaj   +1 more source

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