The number of Pacific gray whales decreased significantly during the most recent count to the lowest numbers since the 1970s, while the number of whale calves also hit its lowest numbers on record.

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 ...

The number of eastern north Pacific gray whales increased an estimated 33% compared to a year ago, offering continued evidence the gigantic mammals are recovering from what biologists termed a ...

The number of endangered Mexican gray wolves living in the United States has grown for the ninth consecutive year, according to a new report issued this week by state wildlife agencies in Arizona and ...

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 NOAA Fisheries assessment. The population is now down 38 percent ...