7/12 How the great ape's brain has been adapted by its anatomy, ingenuity and sociability. (R)
10/10 Sir David Attenborough goes on an eye-opening journey into the fabulous lives of frogs. (R)
2/3 On the River Bann, Darryl Grimason travels through the magical wetland at Lough Beg.
BBC Two Northern Ireland only
13/13 A look at London's wildlife, from badgers and foxes to seals and parakeets. (R)