Casey Anderson on Instagram: "Right now, bears are in the middle of hyperphagia, a feeding frenzy where they eat nonstop to pack on fat for winter. Depending on where they live, bears try to put on 25 to 40 percent of their body weight before heading into the den. In Alaska, bears are gorging on salmon. Some eat up to 40 fish a day, nearly 100 pounds of salmon. A bear that weighed 700 pounds in summer can swell to over 1,200 pounds before hibernation. All that weight isn’t wasted, come denning s