Sound and urban change: "sounds of nature" and upscale life in Austin, Texas | DESARTSONNANTS - CRÉATION SONORE ET ENVIRONNEMENT - ENVIRONMENTAL SOUND ART - PAYSAGES ET ECOLOGIE SONORE | Scoop.it
"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 males. Ac...