Cook Inlet beluga whales are swimming up the Kenai River earlier in the year and in greater numbers than previously estimated, according to new monitoring of the endangered species.
A Cook Inlet beluga whale calf, left, and an adult breach near Anchorage, Alaska. New monitoring of the endangered species has found they are swimming up the Kenai River earlier in the year and in greater numbers than previously estimated.
Christopher Garner/U.S. Department of Defense/The Associated Press
