Anthropogenic noise presents a problem for acoustic communication in animal taxa around the world. Many animals respond by modifying their acoustic signals, sometimes along multiple axes, such as song
Details of acoustic analysis of stimuli and descriptive comparison to published acoustic structure of chimpanzee screams Details on the selection of stimulus sets for each subject. (0.04 MB DOC)
In a pioneering study of signal design, Marler (Marler 1955 Nature 176, 6–8; Marler 1957 Behav. 11, 13–37) argued that the contrasting acoustic design of hawk (seet) and mobbing alarm calls of Europea
