Humpback Whales and Orcas Feed Together | North Atlantic | 4K UHD | BBC Earth
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Despite usually being rivals, humpback whales and orcas join forces to feed on this large shoal of herring.
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The whales can sense the presence of the herring and dive in pursuit.
Holding my breath I dive to film the action.
They're not easy to find in the darkness.
Tiny bubbles rise from the deep like a gas.
Then I see a cloud of them and a coast like a massive shoal of fish emerge from the deep.
Thousands and thousands of herring.
Killer whales have found them and driven them up from the deep.
With their sudden change of pressure,
gas has burst from their swim bladders which control their buoyancy.
The whales work together to squeeze the fish into an even tighter ball.
Gulls have spotted the signs.
The killer whales push the herring up but the humpbacks will be there to profit from this.
The whales flick their tails into the herring shoal to stun the fish.
The animals briefly surface only to catch breath.
Birds have learned to be in the right place.
But then the humpbacks with their enormous mouths and cooperation take the lion's share.
And after less than 30 minutes it's all over and the animals leave to search for more herring shoals.
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