I’m amused by this looping video, which shows a bear waiting for a fish to appear. In the background, a wolf reaches down nonchalantly, bites into a large salmon and carries it away.

Not long ago, it was widely believed that bears love salmon but that wolves prefer deer, elk, moose and related animals whenever they can find them. Now we know, from careful observations in Alaska, that wolves will go after salmon when they get the opportunity.

Researcher Dave Person of the Alaska Department of Fish and Game says wolves will seek out tidally affected streams where they can find salmon passing through shallow water and trapped in pools.

“They’re not as skillful as bears at fishing,” Person told Riley Woodford, reporting for Alaska Fish and Wildlife News. “Each year, they spend over a month in estuary areas, with the pups. It’s right in middle of pink and chum runs, and we watch them eat salmon all the time. There are lots of places they could go; I think they go there for the fish.”

Based on the video, I would have to say that wolves are pretty good at catching fish upstream as well.

Salmon may have gone unnoticed as a staple in the wolves’ diet, because the entire salmon, bones and all, are digested by wolves, leaving no signs of fish in their scat — unlike the bones and fur discovered after they eat a deer or other mammal.

Another Alaskan biologist, Shelly Szepanski, has been studying the stable isotopes of carbon and nitrogen in wolf bones to see whether the bones are made of elements that come from the land or the sea. She found that salmon appeared to make up as much as 20 percent of the diet of wolves living in coastal areas of Southeast Alaska, compared to 10 percent of those living farther inland.

As I continued to look at the video of the bear and wolf fishing for salmon, I wondered if they ever interacted and how things might turn out in a head-to-head fight. I was able to find a video that demonstrates that a bear might get the best of a wolf in a one-on-one battle, but we can never forget that wolves often travel in packs. If you watch to the end, you will see who takes charge of the meal in question.

For another video showing wolves eating salmon, in which a bear plays a minor role, check out this video posted by Tinekemike.

Speaking of fights, I am still amazed at the video below, which shows a leopard swimming across a stretch of water, grabbing onto a crocodile and dragging it back into the water. I never would have guessed that a croc could be defeated in or around water like that — but it looks like he never saw the cat coming until it was too late.

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