Giant Otters - Wolves of the River. Although they are one of the Amazon's top predators, the giant otter is constantly under threat from the five-metre black caiman. This documentary follows a family of seven giant otters in a Peruvian lake as they employ teamwork to catch fish and outwit their enemy. Narrated by David Attenborough.
Producer Huw Cordey : Series editor Sara Ford (S) (W)