This twelve minute video from the U.S. Geological Survey (USGS) starts with the biologists describing some of the many endearing qualities of walruses, explaining how important sea ice is to the animals and why the decline of that ice is so disruptive and threatening -- not just to the walruses but for the people of the region. The second half of the video shows how USGS biologists use satellite radio tags to track the movement and behavior of the walruses. "The information identifies areas of special importance to walruses during sparse summer sea ice and as human presence increases in the region from oil drilling and activities such as shipping and tourism now possible with less ice," says the USGS. In addition to the video, we provide a transcript.
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