Wever E G
Proc Natl Acad Sci U S A. 1971 Jul;68(7):1498-500. doi: 10.1073/pnas.68.7.1498.
Measurements of auditory sensitivity in terms of the cochlear potentials were made in young specimens of three species of crocodilians, Caiman crocodilus and Alligator mississipiensis of the subfamily Alligatorinae and Crocodylus acutus of the subfamily Crocodylinae. These species show considerable similarity in their capabilities for sound reception. All have the best sensitivity in a fairly broad middle range, and fall off for lower tones and particularly rapidly for the high tones. The level of sensitivity in the middle range is of high degree in comparison with other reptiles and with many birds and mammals.
通过耳蜗电位对三种短吻鳄科动物幼体的听觉敏感度进行了测量,这三种动物分别是短吻鳄亚科的凯门鳄和密西西比鳄,以及鳄亚科的美洲鳄。这些物种在声音接收能力方面表现出相当大的相似性。它们在相当宽的中频范围内具有最佳敏感度,对于低频声音敏感度下降,而对于高频声音敏感度下降尤为迅速。与其他爬行动物、许多鸟类和哺乳动物相比,它们在中频范围内的敏感度水平较高。