I hope you’ve been watching the brown bears catching salmon at Brooks Falls, Alaska: the animal cam there is one of the best I’ve seen. It’s early morning there now, but it stays light till 11 p.m. and even British viewers can watch after work.
What’s struck me is that the bears seem very lazy: they sit in the water and basically wait for a salmon to jump into their mouths, or appear at their feet, while ignoring the salmon that leap in the air all around them. Perhaps they’ve gorged so much that they don’t have the energy to move to catch a fish.
At any rate, the bear cam recently took a really nice video of a mother bear protecting her cubs. A mother and her three cubs were on the bank, and two of them tumbled into the water. The concerned mom, seeing another bear approach, immediately leapt into the river to scare off the intruder and save her cubs. (I didn’t know that there could be litters of three). You can watch the film here, and I’ll give a screenshot.
You can see one cub at the mother’s feet and the other tumbling down the falls. The third is still on the bank. The interloper bear is at lower right: