Keep your eye on BearCam today: in just the few minutes I’ve watched, I’ve seen a bunch of salmon jump, and a brown bear caught one. This truly is an amazing spectacle, and very soothing somehow. It’s the theater of evolution: salmon have evolved to fight their way upstream from the sea, leaping waterfalls to get to the spawning grounds, and in so doing must run a gamut of predatory bears who have learned to take advantage of fish reproduction. I wonder if there’s any aspect of salmon behavior that the bears are selecting for. . .
A screenshot with a leaping salmon: