Extraordinary Animals: Communication

Hugh Fearnley-Whittingstall and a team of wildlife experts focus on the strange world of animal communication, including scientists who are interpreting the howl of the wolf. Lucy Cooke discovers the communication skills required to persuade a penguin to swim and also heads to the Bahamas, where new research claims to have found that sharks could be social, make friendships and even have personalities. Conservationist Giles Clark is in Australia to see how technology is saving the koala and biologist Patrick Aryee is in South Africa to investigate the seductive calls of a lovestruck lioness