These changes can mean whales such as humpbacks and blues may have to migrate much further to
reach feeding grounds, leaving them with less time to forage for food.
Gray whale mothers and calves are the last to leave their breeding grounds in Baja and pass by Monterey Bay between April and May to
reach their feeding grounds in Alaska.
While the humpback whales are here specifically to feed, the gray whales are keen on
reaching their feeding grounds in the Bering and Chukchi seas of Alaska after having spent the past couple of months in Baja California in their breeding lagoons.
Not exact matches
Some humans may be willing to travel far for fine dining, but that's nothing compared to a sooty shearwater: these birds, which are based in New Zealand, fly roughly 40,000 miles each year to
reach their seasonal
feeding grounds along coastal California, Alaska, and Japan — and some even clock 620 miles in a single day.
Distribution of
feeding grounds at sea is much wider, with some individuals
reaching the Gulf of Alaska.
Similar challenges arise in the Norwegian and Russian Arctic, where receding sea ice will put
feeding grounds beyond the
reach of pregnant bears (which are restricted to land) by the 2050s.