A Sea Lion Chase
Clip: Episode 2 | 2m 32sVideo has Closed Captions
A Galápagos sea lion group chases yellowfin tuna into a cove on the Galápagos Islands.
In a remote cove on the Galápagos islands sea lions have recently started to hunt yellowfin tuna in response to dwindling fish stocks. The tuna are faster than the sea lion so they rely on teamwork. They corral the tuna into the cove with different sea lions, having different roles in the hunt. Working together they block the tunas escape until it tires and becomes stranded in shallow water.
A Sea Lion Chase
Clip: Episode 2 | 2m 32sVideo has Closed Captions
In a remote cove on the Galápagos islands sea lions have recently started to hunt yellowfin tuna in response to dwindling fish stocks. The tuna are faster than the sea lion so they rely on teamwork. They corral the tuna into the cove with different sea lions, having different roles in the hunt. Working together they block the tunas escape until it tires and becomes stranded in shallow water.
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Evolution Earth
Traveling to the far corners of the world, we discover the extraordinary ways animals are adapting to our rapidly changing planet. We witness nature’s remarkable resilience, as our perception of evolution and its potential is forever transformed. Read these interviews with experts to learn more.Providing Support for PBS.org
Learn Moreabout PBS online sponsorship[Campbell-Staton] The sea lions arrive... on the hunt.
[Splashing] And instead of chasing the tuna out in the open water... they corral them towards the shallows.
[Franklin] Ahora vienen todos lobos saltando como delfines a traer el atún... y tratar de encaminarlas a la poza.
♪ [Campbell-Staton] Tuna are some of the fastest fish on the planet, 4 times faster than the sea lions.
[Franklin] Son como un misil en el agua.
♪ [Campbell-Staton] So, the sea lions start to do something else new.
[Water bubbling] Normally, they hunt on their own, but now they play as a team.
It's like they're saying, "You go on the attack, and I'll hold down the defense."
A chaser drives the fish towards a dead end, but the fish turns to open ocean.
Blockers move in and cut off the escape.
[Sea gulls crying] ♪ Now the sea lions close the trap.
♪ The water is getting shallower and shallower.
[Sea lion grunting] The tuna are out of their depth.
As the fish tire, the sea lions move in for the kill.
♪ ♪ ♪ [Sea lion grunting] ♪ [Sea lion grunting]
Catching Darwin's Finches on the Galápagos Islands
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Local researcher Jaime Chaves catches Darwin's finches to study beak size changes. (2m 24s)
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Remarkable island wildlife reveals insights into our rapidly changing planet. (30s)
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Anthony studies how Silver Key anoles keep up with destructive weather. (8m 52s)
How Zanzibar Red Colobus Monkeys Use Charcoal for Survival
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