Pleasant Island in Alaska is not exactly befitting of its name. The frigid, 20-square-mile island is uninhabited by humans, but it hosts a remarkably large and rich ecosystem that features deer, ...

Scientists show that wolves that are eating sea otters in Alaska have much higher concentrations of mercury than those eating other prey such as deer and moose. In late 2020, a female coastal wolf ...

On a small island near Gustavus, a wolf pack has decimated the local deer population – and started feeding on sea otters instead. The shift underscored coastal wolves’ adaptability. But then one died.

Gray Wolves typically hunt large mammals supplemented with rabbits and hares. Five Pacific salmon species migrate upstream in British Columbia’s rivers and streams. The annual migration of so many ...