Attenborough at 90: Behind the Lens • 2016

4:50

Dolphins are one of the smartest animal species on Earth. In fact, their encephalization quotient (their brain size compared to the average for their body size) is second only to humans. But exactly how smart are they? Lori Marino details some incredible facts about dolphins.

TED-Ed • 2015 • Nature

53:25

Howard Hall, one of the world's foremost underwater filmmakers, brings to NATURE a lifetime of insights into how life in the ocean really works - in surprisingly cooperative communities built on age-old partnerships. Coral reefs turn out to be cosmopolitan cities where relationships thrive: a specialist shrimp, a baby damsel fish, and a porcelain crab all share the protection of an anemone; an urchin and a crab form an unlikely pair; fan corals each support their own kind of seahorse. They're all part of a vast system that only exists because everything is connected. From great whales to turtles, to sharks and tiny blennies, the ocean is full of creatures that need and support each other.

2023 • Nature

28:20

Hybrids can be bizarre and they can be deadly. We look at two hybrid animals that owe their existence to human interference - the pizzly bear (a cross between a polar bear and grizzly), which has come into being because of global warming, and the killer bee, brought into existence because of the transfer of African bees to South America.

S4E1 • Natural Curiosities • 2018 • Nature

49:04

Revealing the titanic efforts behind Blue Planet, this diary reveals the skills and dedication of the film makers.

Blue Planet I • 2001 • Nature

57:56

Freshwater is often the stage on which millions of animals gather to find a mate. And the cycle of freshwater is the trigger for spectacular mating rituals and fierce competition.

S1E4 • The Mating Game • 2021 • Nature

59:09

David Attenborough narrates this astonishing story of a wild cheetah family. Known for being fast, captivating and extremely elusive, a new insight into their remarkable lives is offered by cameraman Kim Wolhuter. For nearly two years, he walked alongside a wild cheetah mother and her young family to unravel in intimate detail what it takes to turn tiny cubs into accomplished predators.

Natural World • 2017 • Nature