275 Results From "marine mammal "

An orca swims next to a shark with a visible wound. Image by Marco Villegas.
Sharks

Orcas are hunting young great white sharks for their livers

an aerial view of a humpback whale spinning in a circle with nets made out of bubbles
Ocean

Humpbacks are the only whales that can feed with bubble nets

To find out the age of dolphins, ask their poop
Science

To find out the age of dolphins, ask their poop

a dolphin rides on the bow wave in front of a humpback whale
Whales

Dolphin follows a whale all the way to the seafloor

killerwhale swimming at the surface
Whales

With sea ice melting, killer whales are moving into the Arctic

a whale surfaces next to a large fishing trawler
Ocean

Whales need krill to survive. We want it for supplements.

24 new species of deep sea organisms. they are small and resemble shrimp
Ocean

New crustacean named after its unique butt

an otter eating while floating on its back
Wildlife

Female sea otters use tools more than males

a whale's tail as it goes into the water
Whales

Decoding the fingerprint of a humpback whale

a vet examining a seagull wrapped in a towel with a fishing bobber stuck in its mouth
Birds

Seagull survives swallowing a giant fish hook–thanks to local vets

an baby orca surfaces behind its mother
Ocean

Baby orca is a descendent of a whale almost sold to SeaWorld in 1976

a pod of white beluga whales swimming off the coast of Alaska
Endangered Species

The swinging sex lives of Alaska’s beluga whales

a northern elephant seal with wide eyes looks into a camera next to an underwater acoustic monitoring device
Wildlife

Northern elephant seals know a ‘dinner bell’ when they hear one

Sperm whales swimming in clear water
Whales

Sperm whales use vowels like humans, new study finds

a humpback whale lunches out of the water with its mouth open
Whales

Krill or anchovy? Baleen whale songs may indicate what’s on the menu

two orca whales come into contact with one another and a piece of kelp is between them
Whales

Orcas spotted using seaweed to groom each other

a black and white orca whale leaps out of the ocean while hunting a sea lion. another whale is surfacing near by.
Whales

How crafty orca whales hunt near submarine canyons

a scientist holds a large, reddish-purple sea star with 24 legs
Ocean

Meet the 24-armed sea star, a kelp forest’s bodyguard

a long and lean sei whale swimming in the ocean
Animals

Dozens of rare, endangered whales spotted off the coast of Martha’s Vineyard

Close up of lemon shark
Sharks

Megalodon may have been ‘even longer’ than we thought