How Starfish Changed Modern Ecology
Season 38
Episode 2
About the Episode
Witness scientist Bob Paine's breakthrough discovery of keystone species, through his ingenious experiment with tidepool starfish.
Aired:
| Expires: | Runtime: 2m 49s
Recent Episodes
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Episode 12, Season 43<br> Salvation | Katavi: Africa's Fallen Paradise
After drought, the rains finally come. But can Katavi survive the flooding?| 54:02 -
Episode 11, Season 43<br> Purgatory | Katavi: Africa's Fallen Paradise
A severe drought in Katavi National Park tests the wildlife to their limits.| 54:03
Extras
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What the Dodo Bird Actually Looked Like
David Attenborough comes face-to-face with a dodo, the first animal driven to extinction by humans.3:04 -
David Attenborough Befriends a Dinosaur
Sir David Attenborough befriends a giant dinosaur, the Diplodocus.3:11 -
Was Bigfoot Real?
Sir David Attenborough explores the research surrounding the existence of Bigfoot.3:15 -
Killer Whales Teach Young To Hunt
The team films something not seen before: a teaching session between adults and their young.2:42 -
What Is Wave Washing: How Killer Whales Hunt Seals
Killer whales rarely risk hunting leopard seals - Antarctica's second-top predator.4:14 -
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Protecting Paradise | WILD HOPE
Marine biologist Callie Veelenturf uses her research on endangered sea turtles to help protect them.14:11 -
Pack-Ice Killer Whale Sounds -- on Film
This is the first time pack-ice killer whale vocalizations have been recorded.2:51 -
Filming Africa's Three Big Cats
Filmmakers discuss their experiences living on location with Africa's three big cat families.7:30 -
Preview of Museum Alive with David Attenborough
Sir David Attenborough explores London’s Natural History Museum, where extinct creatures come alive.0:30
