In the gateway to the Arctic, fat and sea ice are crucial, intertwined and dwindling. ... all the way up the food web to beluga whales, seals and polar bears, scientists say. ...

A beluga whale’s weight, muscle and fat can indicate its chances of survival and reproductive success, but a changing environment might be contributing to a decline in body makeup for the St ...

Arctic cod, a high-fat fish that is key in beluga diets, is diminishing, said beluga expert Pierre Richard of the Northern Studies Center in Churchill and author of three whale books.

Arctic cod, a high-fat fish that is key in beluga diets, is diminishing, said beluga expert Pierre Richard of the Northern Studies Center in Churchill and author of three whale books.

Arctic cod, a high-fat fish that is key in beluga diets, is diminishing, said beluga expert Pierre Richard of the Northern Studies Center in Churchill and author of three whale books. But he said it’s ...