...David Attenborough. Finding a Voice: Follow baby animals as they learn to communicate to survive, using sound to call for help in their early days. (3 of 3) [S,AD]
...David Attenborough. Love and Rivals: From melodic songs to strange hums, discover the sounds that gibbons, lyrebirds and more use to find a mate. (2 of 3) [S,AD]