Marine Mammals
Latest about Marine Mammals
![A new study suggests that blue whales may ingest up to 10 million pieces of microplastics every day at peak feeding times.](https://cdn.mos.cms.futurecdn.net/Rnyz2zgxx8pKgQFqRmXc9L-320-80.jpg)
A blue whale's daily intake of microplastics weighs as much as a small person
By Harry Baker published
Researchers estimate that blue whales may each consume up to 10 million pieces of microplastic every day during their main feeding season as they chow down on plastic-filled prey.
![Drone footage shows a pod of killer whales attacking and killing a great white shark in South Africa.](https://cdn.mos.cms.futurecdn.net/2SFFGjNqX3Negr7NtzmgNN-320-80.jpg)
Grisly new footage shows orcas attacking a great white shark and eating its liver
By Brandon Specktor last updated
Newly released video shows a gang of killer whales in South Africa attack and slaughter a great white shark.
![orca killer whale looking out of the water at sunset, off Kaldfjorden in Norway.](https://cdn.mos.cms.futurecdn.net/Gtusk64eYEGLecLB2hHdUE-320-80.jpg)
Orcas: Facts about killer whales
By Alina Bradford, Patrick Pester last updated
reference Orcas, or killer whales, are the largest of the dolphin family.
![An aerial photograph of a Rice's whale in the Gulf of Mexico. The species was officially named in 2021 and is endemic to the northeast region of the gulf, making it the only whale species endemic to U.S. waters.](https://cdn.mos.cms.futurecdn.net/eXGqn7QkuQb9T59T5UTYST-320-80.jpg)
Newfound whale species that lives exclusively in US waters may already be on the brink of extinction
By Harry Baker published
A group of more than 100 international researchers has signed an open letter to the Biden administration calling for urgent action to save Rice's whale from extinction.
![beluga whale](https://cdn.mos.cms.futurecdn.net/7p8Vo7eNLSSSN5b9bVLNQM-320-80.jpg)
A Parasite Spread by Cat Poop Is Infecting (and Probably Killing) Whales in Canada
By Brandon Specktor last updated
Fifteen of 34 dead beluga whales tested positive for a potentially lethal cat-poop parasite.
![Whale watchers recently witnessed a lengthy battle between a group of transient killer whales and a pair of humpback whales in the Salish Sea.](https://cdn.mos.cms.futurecdn.net/fDmLuHn4dTMEqidMAvmfZJ-320-80.jpg)
Orcas and humpbacks clash in a violent melee of breaching and biting
By Harry Baker last updated
Whale watchers in British Columbia recently witnessed an intense showdown between a group of 15 transient killer whales and a pair of female humpback whales in the Salish Sea.
![a photo of Ocean Beach, Tasmania taken from the air shows hundreds of pilot whales on the shoreline](https://cdn.mos.cms.futurecdn.net/pYv5BLRqdg8AdE9aVGuMjN-320-80.jpg)
230 pilot whales beached in Tasmania — exactly 2 years after the area's last mass stranding
By Nicoletta Lanese published
Two mass strandings have occurred in the same region of Tasmania.
![A picture of an orca looking out of the water at sunset, off Kaldfjorden in Norway](https://cdn.mos.cms.futurecdn.net/Gtusk64eYEGLecLB2hHdUE-320-80.jpg)
Orcas are attacking boats near Europe. It might be a fad.
By Stephanie Pappas last updated
Orcas are snapping the rudders off boats near Europe, and it may be a cetacean fad.
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