Search results for Walrus

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 03, 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.

Plants & Animals Mar 17, 2020

For narwhals, the 'unicorn of the seas,' size matters for sexual selection

Showy peacock feathers, extravagant elk antlers and powerful crayfish claws are just a few examples of the ostentatious animal extremes used to compete for and attract mates, a process called sexual selection.

Ecology Feb 03, 2020

Scientists listen to whales, walruses, seals in a changing arctic seascape

A year-round acoustic study of marine mammals in the northern Bering Sea is providing scientists with a valuable snapshot of an Arctic world already under drastic pressure from climate change, according to WCS (Wildlife Conservation ...

Archaeology Jan 06, 2020

Over-hunting walruses contributed to the collapse of Norse Greenland, study suggests

The mysterious disappearance of Greenland's Norse colonies sometime in the 15th century may have been down to the overexploitation of walrus populations for their tusks, according to a study of medieval artefacts from across ...

Evolution Dec 27, 2019

A 'pivotal' moment for understanding whale evolution

Scientists could soon better investigate the feeding behaviors of extinct dolphin and whale species. A third year student at Japan's Nagoya University has found that the range of motion offered by the joint between the head ...

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