Acoustic behavior in crocodilians (original) (raw)

Journal of The Acoustical Society of America, 2010

Abstract

ABSTRACT Sound production in reptiles is generally limited in scope, yet crocodilians have developed a modest repertoire of vocal and non-vocal acoustic signals to convey a range of different information. This ability is perhaps less surprising considering that their Archosaur heritage is shared with dinosaurs and birds, and basic similarities to avian bioacoustics are apparent. An overview is presented of sound production and reception in crocodilians, the sound characteristics and repertoire of known signals, and the important role that these signals play in crocodilian behavior. The evolution of bioacoustics in this group is touched upon, based on biological and behavioral evidence between species.

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