In-Air and Underwater Hearing in the Great Cormorant (Phalacrocorax carbo sinensis).

Abstract

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 μPa root-mean-square [rms] in air and 79 dB re 1 μPa 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.

DOI: 10.1007/978-1-4939-2981-8_61

Cite this paper

@article{Johansen2016InAirAU, title={In-Air and Underwater Hearing in the Great Cormorant (Phalacrocorax carbo sinensis).}, author={Sasia Johansen and Ole N{\ae}sbye Larsen and Jakob Christensen-Dalsgaard and Lars Seidelin and Tina Huulvej and Kristine Jensen and Sven-Gunnar Lunneryd and Maria Bostr{\"{o}m and Magnus Wahlberg}, journal={Advances in experimental medicine and biology}, year={2016}, volume={875}, pages={505-12} }