Search results for Walruses

Plants & Animals Dec 21, 2020

Under Antarctica's ice, Weddell seals produce ultrasonic vocalizations

Weddell seals are chirping, whistling and trilling under Antarctica's ice at sound frequencies that are inaudible to humans, according to a research team led by University of Oregon biologists.

Archaeology Nov 16, 2020

Paleontologists uncover three new species of extinct walruses in Orange County

Millions of years ago, in the warm Pacific Ocean off the coast of Southern California, walrus species without tusks lived abundantly.

Environment Nov 11, 2020

Late-season Arctic research cruise reveals warm ocean temperatures, active ecosystem

Arctic researchers Jacqueline Grebmeier and Lee Cooper have been visiting the Bering and Chukchi seas off Alaska for nearly 30 years, collecting information about the biological diversity of the watery world under the sea ...

Ecology Nov 5, 2020

After election: making the endangered species act more effective

Following the presidential election, a leading group of scientists are making the case that a 'rule reversal' will not be sufficient to allow the Endangered Species Act to do its job. Instead, they're calling for deeper improvements ...

Ecology Jul 31, 2020

Beat the heat with a walrus retreat

Much of western Europe was sweltering in a heatwave on Friday, but visitors to one Belgian safari park could at least seek shelter in an igloo with a cool view.

Archaeology Jun 25, 2020

Bizarre saber-tooth predator from South America was no saber-tooth cat

A new study led by researchers from the University of Bristol has shown that not all saber-tooths were fearsome predators.

Plants & Animals Jun 18, 2020

Researchers study catastrophic disease events in marine mammals

As the COVID-19 pandemic sweeps across the globe, people are beginning to understand, at a very personal level, the ways in which infectious diseases can devastate life. But disease outbreaks are not confined to just humans ...

Plants & Animals May 27, 2020

Scientists reveal new fundamental principles governing diving in animals

Diving as a lifestyle has evolved many times in the animal kingdom, and the ecology of all diving animals is essentially shaped by how long they can hold their breaths.

Environment Apr 22, 2020

Disappearing Alaskan sea ice is significant for Arctic marine ecosystem

A new study shows that plant materials originating in Arctic sea ice are significantly incorporated into marine food webs that are used for subsistence in local communities of the greater Bering Strait region.

Archaeology Apr 3, 2020

Tooth be told: Earless seals existed in ancient Australia

A fossilised seal tooth found on a Victorian beach could hold the key to uncovering the history and geography of earless seals that graced Australia's shores three million years ago.

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