Add Yahoo as a preferred source to see more of our stories on Google. The number of gray whales migrating along the California coast has plummeted again this year, dropping to levels not seen since ...

Gray whales that migrate along the West Coast of North America continued to decline in number over the last 2 years, according to a new assessment. The population is now down 38 percent from its peak ...

FILE - This April 18, 2008, file photo provided by the U.S. Fish and Wildlife Service shows a gray wolf. A new population tally of gray wolves in the U.S. Northern Rockies shows their continued ...

Gray whales have been veering off their normal routes along the West Coast and swimming under the Golden Gate Bridge into San Francisco Bay in unprecedented numbers. Using thousands of photographs of ...