Tag: Marine

Biologists knew that orcas can take down some big prey. What they didn’t know was if they could take down the biggest prey. There were stories of orcas preying on...

Researchers are tracking dolphin populations across parts of the Venezuelan coast in an effort to improve information in an understudied part of the Caribbean Sea. “Venezuela holds 33% of the...

As the climate warms in the Arctic—two to three times faster than in the rest of the world—polar bears are changing what they eat. By uncovering their diets, researchers found,...

Sea otters translocated to new parts of the Pacific half a century ago have mostly burgeoned into healthy, sustaining populations despite having a nearly 90% death rate in some areas...

Starvation has driven a record number of manatee deaths in Florida in the first half of 2021. In the past six months, 841 West Indian manatees (Trichechus manatus) have died,...

Narwhal tusks can tell researchers a lot about the marine mammals’ feeding habits and exposure to dangerous chemicals. “They’re kind of like tree rings,” said Jean-Pierre Desforges, a postdoctoral research...

North Atlantic right whales produced more offspring last winter than any year since 2015. That’s good news for researchers who became particularly concerned three years ago when they recorded no...

The loud sounds bearded seals emit underwater may not be noisy enough to overcome the sound from increasing industrial activities off the coast of Alaska. Recent research highlighted how bearded...

Decades of observations on humpback whales in the Gulf of St. Lawrence have revealed that low fish prey availability may be linked to declining calf numbers. “The number of calves...

A report from the environmental organization Oceana has documented nearly 1,800 U.S. incidents of marine mammals and sea turtles swallowing or becoming entangled in plastic in the ocean since 2009....