Marine Mammals
Latest about Marine Mammals
![An orca sinks into the water depths in Norway.](https://cdn.mos.cms.futurecdn.net/JkQxmREJfzDptRpAx7wLJD-320-80.jpg)
Dying orca's final moments after 'desperate' effort to stay afloat captured in 1st of its kind footage
By Sascha Pare published
An orca's final moments may have been captured on film for the first time, after repeated attempts by two young orcas to keep the old, dying male at the surface so he could breathe.
![Dolphin trying to take crab bait from the center of a net laid on the sandy bottom of the shallow seafloor](https://cdn.mos.cms.futurecdn.net/2VonjXPgNDavkez8Ahzutb-320-80.png)
Watch dolphins raid crab pots off Australia in never-before-seen footage
By Lydia Smith published
Dolphins in Koombana Bay, Western Australia, have learned how to raid crab pots being used for bait and remove the hooks, footage has revealed.
![Orcas swimming near a boat.](https://cdn.mos.cms.futurecdn.net/Nbsm3yxJsvRyg422B4vWYK-320-80.jpg)
Orcas sink another boat in Europe after a nearly hour-long attack
By Harry Baker published
For the fourth time in two years, a group of unusually brazen orcas in southwestern Europe have sunk a sailing boat after relentlessly attacking it for almost an hour on Halloween.
![Megapod group of dolphins swim in the ocean.](https://cdn.mos.cms.futurecdn.net/JvWoYSo5RE5AUgNLw8Fjp-320-80.jpg)
Watch a huge megapod of acrobatic spinner dolphins in incredible, rare video
By Hannah Osborne published
A megapod of dolphins with thousands of individuals has been captured on video hunting flying fish off the coast of Costa Rica.
![Orcas killer whales underwater in dark night sea.](https://cdn.mos.cms.futurecdn.net/ohmAGxo2ho4a4BSkLSYqEL-320-80.jpg)
11 ways orcas show their terrifying intelligence
By Patrick Pester published
Orcas have their own dialect, greeting ceremonies and even wore salmon as hats in a weird fad during the 1980s.
![An orca attacks a whale, which is gushing blood from its mouth.](https://cdn.mos.cms.futurecdn.net/9mnjqLQRhh4X6ZQdXTqiWA-320-80.jpg)
Orcas are learning terrifying new behaviors. Are they getting smarter?
By Sascha Pare published
From sinking boats and feasting on shark livers to dining on whale tongue and tossing porpoises around for fun, orcas are displaying some fascinating — and sometimes terrifying — behaviors.
![A killer whale hunting alongside a whaling boat in the early 20th century.](https://cdn.mos.cms.futurecdn.net/hgqiAea73xyUNSuyHo4QXg-320-80.jpg)
Orcas that hunted alongside humans might be extinct
By Patrick Pester published
Researchers used DNA analysis and traditional knowledge to learn about an orca named Old Tom and his family's remarkable relationship with humans.
![A mysterious white organic mass washed ashore](https://cdn.mos.cms.futurecdn.net/ZRGtFCrwxjptiNkufVkVk9-320-80.jpg)
Identity of mysterious 'mermaid globster' that washed up in Papua New Guinea 'is anyone's guess,' experts say
By Harry Baker published
The severely decayed remains of a marine creature recently washed up on a beach in Papua New Guinea. Experts can't agree on what the ghostly white lump is, but it is most likely the remains of a marine mammal.
![A beached gray whale in Baja California Sur in Mexico.](https://cdn.mos.cms.futurecdn.net/N8QdwaWLzAuWwRramaUWnP-320-80.jpg)
Scientists finally figure out why hundreds of gray whales keep washing up dead along US coasts
By Sascha Pare published
Three mass mortality events have struck a population of gray whales off the west coast of North America since the 1980s, and scientists have linked them to changing conditions in the Arctic.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.