In the 25th year of the BBC's Natural History Unit, the second half of a series In 26 parts. Narrator David Attenborough 15: Female Choice
Female frogs and toads respond only to the calls of their own species.
Recently researchers have become interested in the way they discriminate between the calls of individual males. Anthony Arak , of Cambridge
University, Stantey Rand. of the Smithsonian
Institute. Washington, and Michael Ryan , of Cornell University, New York, consider sneaky males, seductive imposters, and the story of the frog and the bat. Written and produced by MICHAEL BRIGHT BBC Bristol