Search results for Walruses

Ecology Oct 23, 2026

How autumn changes animal sexual behavior—including that of humans

In the Northern Hemisphere, days are getting shorter and temperatures are dropping—autumn has arrived. A common sign that winter is coming is trees losing their leaves. But did you know that autumn also sparks changes in ...

Plants & Animals Oct 21, 2026

Migratory birds spread avian influenza to Greenland's polar bears

Migrating birds that breed in the Arctic are spreading avian influenza to polar bears in eastern Greenland, according to a new study that found evidence of infections in bear blood samples acquired from Greenland Inuit subsistence ...

Earth Sciences Sep 23, 2026

Currents in an Arctic sea accelerate the sinking of carbon-carrying phytoplankton

Tiny plantlike organisms called phytoplankton that form the base of marine food webs topped by orcas, whales and sharks usually get eaten or slowly sink to the seafloor, carrying carbon as they go. Across most of the ocean, ...

Ecology Sep 16, 2026

Bird flu has claimed its first Australian sea lion and dolphin. How does the virus get into these animals?

A rare Australian sea lion (Neophoca cinerea) on Kangaroo Island has been confirmed to have died from highly pathogenic H5N1 bird flu. The sea lion had recently been attacked by a shark, weakening it. Testing revealed that ...

Ecology Aug 13, 2026

Climate change decided who ruled as top predator 35 million years ago

An international team of researchers from Belgium, France, Switzerland, Spain and the U.S. has reconstructed the evolution of body mass in carnivorous mammals during the Paleogene—a crucial window in the diversification of ...

Ecology Jul 20, 2026

Researchers complete new assessments of vulnerable Southern Ocean species

Postdoctoral researcher Renato Borras-Chavez's area of study—pinnipeds in the Southern Ocean—often takes him far from the University of Rhode Island campus. Now, the researcher in Sarah Kienle's CEAL Lab is sharing more about ...

Plants & Animals Jul 17, 2026

What 'Neil the Seal' can teach us about seal behavior: Marine biologist explains

Neil the Seal became a social media sensation almost overnight. Neil is a 5-year-old male southern elephant seal who weighs roughly 1 metric ton (1.1 tons). He was born on the Tasman Peninsula in October 2020 and has made ...

Ecology May 20, 2026

Norway reports Europe's first case of bird flu in a polar bear

Norwegian authorities on Tuesday announced that avian influenza has been documented in a polar bear for the first time in Europe, in the Svalbard region in the Arctic.

Plants & Animals Mar 12, 2026

Seals and sea lions provide clues to evolution of vocalization

Neuroscientists have uncovered new insights into a key evolutionary question: Why can humans talk when most animals can't? The journal Science published the research led by Emory University and the New College of Florida. ...

Plants & Animals Feb 28, 2026

Svalbard polar bears gained fat despite rapid Barents Sea ice loss

Their icy hunting grounds are rapidly shrinking, but polar bears in Norway's remote Svalbard archipelago have defied the odds by bulking up instead of wasting away, a study said Thursday.

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