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In-air and underwat...
In-air and underwater hearing in the great cormorant (Phalacrocorax carbo sinensis)
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- Lunneryd, Sven-Gunnar (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för akvatiska resurser,Department of Aquatic Resources
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- Ovegård, Maria (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för akvatiska resurser,Department of Aquatic Resources
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(creator_code:org_t)
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- ISBN 9781493929801
- New York, NY : Springer New York, 2016
- 2016
- Engelska.
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Ingår i: Advances in Experimental Medicine and Biology. - New York, NY : Springer New York. - 0065-2598. ; 875, s. 505-512
- Relaterad länk:
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https://res.slu.se/i...
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visa fler...
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https://doi.org/10.1...
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Abstract
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- Hearing thresholds of a great cormorant (Phalacrocorax carbo) were measured in air and under water using psychophysics. The lowest thresholds were at 2 kHz (45 dB re 20 mu Pa root-mean-square [rms] in air and 79 dB re 1 mu Pa rms in water). Auditory brainstem response measurements on one anesthetized bird in air indicated an audiogram with a shape that resembled the one achieved by psychophysics. This study suggests that cormorants have rather poor in-air hearing abilities compared with other similar-size birds. The hearing capabilities in water are better than what would have been expected for a purely in-air adapted ear.
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Ämnesord
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Etologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Behavioural Sciences Biology (hsv//eng)
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