275 Results From "marine mammal "

A wide-angle, underwater photograph of a young sea lion with large, dark eyes and long whiskers looking directly into the camera lens. Sunlight beams down through the clear blue water, illuminating the sea lion's head and other sea lions swimming in the background. The foreground shows a rocky seabed covered in marine life, including several dark, spiny sea urchins.
Ocean

How marine mammals stay hydrated in a salty sea

An aerial view, taken from a drone, shows two enormous blue whales swimming just below the surface of dark blue ocean water. The whale on the left appears larger, and its skin texture and shape are clearly visible under the water.
Whales

Flying with whales: Drones are remaking marine mammal research

a whale swimming
Whales

The oldest-known humpback whale recording was hiding in an archive

two black whales under water. one is diving down the other is looking at a camera head on
Whales

Hawaii’s short-finned pilot whales eat over 77,000 squid a year

a whale breaching with a bridge in view
Ocean

‘Save Willy Act’ introduced in California to help save whales in Bay Area

A harbor seal (Phoca vitulina) on the beach during the summer premoult stage.
Ocean

When wily sea lions and determined wildlife officials sparred in Seattle

a dolphin (left) and a more rounded porpoise (right)
Ocean

Florida can’t decide if its official saltwater mammal is a dolphin or a porpoise

Chonkers the Steller sea lion sleeping along side other, much smaller California sea lions
Ocean

Chonkers the 2,000-pound sea lion is making waves in San Francisco Bay

sea lion on pier
Wildlife

How to watch Chonkers, the 2,000-pound sea lion live from San Francisco

great white shark swimming
Sharks

Great white sharks grow a whole new kind of tooth for slicing bone as they age

a dolphin swims in venice, italy
Ocean

Humans pose the biggest risk to Venice’s celebrity dolphin

fake spider webs for halloween
Wildlife

Beware! Your Halloween decorations could be a nightmare for wildlife

several rescue technicians hold a stranded dolphin in a net before releasing it
Ocean

11 dolphins stranded in Cape Cod rescued by nonprofit

Ontocetus posti has post-canine teeth, a larger lower canine, and a fused and short mandibular symphysis.
Animals

New species of extinct walrus discovered

a small blue-colored penguin called a little penguin swims in the ocean
Ocean

Turtles and penguins have a swimming sweet spot that reduces drag

Beluga Whale or White Whale, delphinapterus leucas, Adult
Science

Russian ‘spy whale’ was actually an aquatic guard turned ‘hooligan’

Video screenshot of remoras attached to humpback whale
Fish

Ride on a humpback whale with little sucker fish

A sperm whale and a photographer in the Atlantic Ocean near Portugal.
Whales

First-of-its-kind video confirms sperm whales really do headbutt

several white circles surround a humpback whale with an open mouth
Whales

Humpback whales use bubble-nets as ‘tools’

a great white shark biting an orange test fabric
Sharks

Shark bite-resistant wetsuits could save lives