Methods: Through a metagenomics approach, we identified and genetically characterized a novel calicivirus in swab samples from the noses, throats, and anuses of walruses (Odobenus rosmarus) with ...

The walrus, with its distinctive ivory tusks, wrinkled brown skin, and sizable body, is a fascinating marine mammal that resides primarily in the Arctic region. Known scientifically as Odobenus ...

Maintaining peace and conserving biodiversity hinge on an international system of cooperation codified in institutions, but Russia’s invasion of Ukraine brings recent progress to a crossroads. Against ...

Climate change caused by human activity, as opposed to changes that may have resulted as part of Earth's natural processes, is subject to regulation in the U.S. In the context of environmental policy, ...

This important study uses long-term behavioural observations to understand the factors that influence female-on-female aggression in gorilla social groups. The evidence supporting the claims is ...

冰上的大型海象 – Odobenus rosmarus divergens。 图片来自美国国家海洋和大气管理局 (NOAA) 部队的 Budd Christman 上尉，属于公共领域，通过 Wikimedia Commons 提供 ... 有趣的事实：海象脸上有多达 250 根胡须。 海象的特点是毛皮浓密，有獠牙和胡须，还有用于游泳的鳍状肢。

We, the U.S. Fish and Wildlife Service, in response to a request under the Marine Mammal Protection Act of 1972, as amended, from Narwhal LLC, propose to authorize nonlethal, incidental take by ...

Declaration The recovery strategy for the Polar Bear has been developed in accordance with the requirements of the Endangered Species Act, 2007 (ESA). This recovery strategy has been prepared as ...