In North America, Badgers have a weird relationship with coyotes. Both species have been seen attacking and sometimes even eating each other, but they have also been observed hunting cooperatively. They hunt prairie dogs and squirrels this way. Such animals are generally too fast for a badger alone, and capable of escaping into burrows where a coyote can't follow them. The two predators are still competitive, they don't share the prey once of them actually gets it's jaws on the target, but the same animals will engage in this semi-cooperative behavior repeatedly.
Game and Story Use
- That bit about badger-coyote hunting partnerships is pretty interesting. It might serve as a model for mixed "teams" of predatory animals in a fantasy setting.
- "Badgermen" are an interesting possible beastman subtype. (I think Gamma World had them.) Tough, belligerent burrowing humanoids.
- Given how fierce they can be, Badgers can be an interesting encounter for a low level party. The PCs invade a dungeon or monster lair that is also being raided by a badger (so they accidentally corner it). Could be a cute little spotlight moment for your starting Ranger or Druid.