Antarctica was first sighted by ... Their combined weight is greater than that of any other animal species on the planet, including humans. Blue whales are not only the biggest mammal on Earth ...

Killer whales have often been portrayed as an animal to fear ... safe pair of hands at the helm having produced episodes of Blue Planet II. The series was of course narrated by Sir David ...

a Frozen Planet programme, narrated by Sir David Attenborough, used some film footage of polar bear cubs in a Dutch animal park. One segment of Blue Planet II includes close-up lab footage of ...