The Center for Biological Diversity, which wants the walrus protected under the US government Endangered Species Act, cited the impact of global warming on the animal’s habitat, the report said. Nursing mothers and calves, they said, need ice shelves to rest and nurse.
"The walrus is an Arctic species and it’s dependent on the sea ice for a lot of its behavior," Shaye Wolf, a San Francisco-based biologist, was reported as saying.
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