Acoustic signals mediate mate choice, resource defense, and species recognition in a broad
range of taxa. It has been proposed, therefore, that divergence in acoustic signals plays a …

The dramatic increase in human activities all over the world has caused, on an evolutionary
time scale, a sudden rise in especially low‐pitched noise levels. Ambient noise may be …

Literature Cited to accompany Animal Communication, 2e Page 1 Principles of Animal
Communication, Second Edition Jack W. Bradbury and Sandra L. Vehrencamp Chapter 14 …

Worldwide urbanization and the ongoing rise of urban noise levels form a major threat to
living conditions in and around cities [1–4]. Urban environments typically homogenize …

Publisher Summary This chapter outlines the evolution of geographic variation in birdsong.
Studies of vocal signals in birds offer potentially useful opportunities for empirical tests of the …

Male frogs call to attract females for mating and to defend territories from rival males. Female
frogs of some species prefer lower-pitched calls, which indicate larger, more experienced …

Measuring biodiversity is a challenging task for research in taxonomy, ecology and
conservation. Biodiversity is commonly measured using metrics related to species richness …

pollution refers to the elevation of natural ambient noise levels due to sound-generating
human activities, which may have detrimental consequences for humans and animals alike …

We have developed a system for simulating the conditions of avian surveys in which birds
are identified by sound. The system uses a laptop computer to control a set of amplified MP3 …

Any signal must get from a sender to a receiver if information is to be transmitted. In the case
of bird song, the acoustic properties of the habitat may hinder this being achieved. However …