Tag: seals

May 7, 2019

Bearded seals reproduce more despite climate change

Bearded seal (Erignathus barbatus) mothers are producing more pups, which then go on to mature at younger ages. According to a new project, which drew from indigenous subsistence hunters in...

August 15, 2018

Marine mammals lost gene that protects against pesticide

As marine mammals evolved, they lost the ability to make a protein that defends land-dwelling mammals from the effects of a common pesticide — one that is increasingly finding its...

March 7, 2018

Winds can change seal pup migration path

In 1892, U.S. Revenue Marine Capt. C.L. Hooper provided information to the U.S. Senate about the seal fur trade. After traveling to the Aleutian Islands and speaking to the indigenous...

February 9, 2018

In warming Arctic, polar bears can’t catch enough seals

Some polar bears (Ursus maritimus), aren’t catching enough seals (Pusa hispida) to meet their energy demands, according to new research. For the past 20 decades, the U.S. Geological Survey has...

June 28, 2017

Overhead view of seals reveals dramatic recovery

Using a mix of technology in high places, researchers confirmed that gray seals (Halichoerus grypus) off the coast of New England and eastern Canada have recovered over the past 45...

October 27, 2016

ESA proceedings center on climate change projections

Two recent court decisions highlight how climate change projections can influence wildlife listing decisions under the Endangered Species Act. On Oct. 18, the U.S. Fish and Wildlife Service reissued a...