Explore Killer Whale, Killer and more!

Video: Killer whales pursuing a fin whale. The orcas apparently got the whale in the end, but such hunts are not worth the effort because dead fin whales sink too fast.

Video: Killer whales pursuing a fin whale. The orcas apparently got the whale in the end, but such hunts are not worth the effort because dead fin whales sink too fast.

The orca whale's large size and strength make it among the fastest marine mammals, able to reach speeds in excess of 30 knots (about 34 mph, or 56 kph).

The orca whale's large size and strength make it among the fastest marine mammals, able to reach speeds in excess of 30 knots (about 34 mph, or 56 kph).

A pod of killer whales 'spyhop' amid the breaking sea ice, in the Ross Sea, Antarctica.  Frozen Planet photography.

A pod of killer whales 'spyhop' amid the breaking sea ice, in the Ross Sea, Antarctica. Frozen Planet photography.

Single breaching orca ~ Hunt in packs like wolves on land. Avg. killer whale eats over 200kg of food daily...includes 20 diff species of marine mammal and more than 30 diff. species of large fish. Avg. lifespan is 60 years in the wild, (thought to depend strongly on the will of the killer whale.) only 25 years in captivity.

Single breaching orca ~ Hunt in packs like wolves on land. Avg. killer whale eats over 200kg of food daily...includes 20 diff species of marine mammal and more than 30 diff. species of large fish. Avg. lifespan is 60 years in the wild, (thought to depend strongly on the will of the killer whale.) only 25 years in captivity.

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