The caribou migration is a veritable feast for grizzly bears — if the bears can catch them. Grizzlies hunt all the way to the Arctic Ocean in the summer, but caribou are faster than bears on the open plain.
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TRANSCRIPT
- [Narrator] The Porcupine caribou herd is heading south into the Brooks Range.
Away from the water, the caribou start to relax.
(scrub rustling) It's a mistake.
(caribou grunting) Caribou may be faster than bears on the open plain, but they must also rest the calves.
Grizzlies and polar bears are almost the same species and increasingly overlap and interbreed, but grizzlies are a more serious threat to the herd.
The bear has learned to chase off the mothers and then search for calves hiding in the scrub.
(caribou grunting) He's found two.
In a moment of indecision, he loses both.
The calf's mother gallops to his side.
It's a huge victory after so much hardship.
(bear grunting) Though not for the bear.
(bear grunting)
