salmon returning to spawn in their thousands these bears are first in line for a nutritious catch [Music] [Applause] triggered by hormonal changes the grizzly bears now enter a phase of hyperphagia this allows them to eat constantly for up to 20 hours a day without ever feeling full they can consume up to a hundred thousand calories in a single day and given the abundance of salmon they can afford to be picky [Music] just like the Bears in the tropics they seek out the highest form of energy selecting only the fat which eggs the skin and brain
of the fish in open water it's not always easy but as the salmon move further upstream the Grizzlies are here too where the River narrows it will be easier to land a catch [Music] [Music] you
