Despite the silverback gorilla's formidable reputation, it's not the apex predator. Creatures like saltwater crocodiles, with their deadly bite, and African bush elephants, possessing immense strength ...

While the big chief dozes, Noel and two other sons tussle in mock combat, a favorite gorilla pastime, tumbling, growling, slapping and tugging.

(SOUNDBITE OF GORILLA GROWL) VELTMAN: The archive's treasures can be used for school projects, research or fun for free. Commercial uses require a small fee.

The internet is now a bit more noisy. That's because audio files on social media have rediscovered an amazing fact. The BBC's vast sound effects library is open to the public. Thousands of clips ...

(SOUNDBITE OF GORILLA GROWL) VELTMAN: The archive's treasures can be used for school projects, research or fun for free. Commercial uses require a small fee. And choosing from the 716 available clock ...

The internet is now a bit more noisy. That's because audio files on social media have rediscovered an amazing fact. The BBC's vast sound effects library is open to the public. Thousands of clips can ...