squirrels and snakes
Related to mudpuppie's snake experience→
[More:] I found this interesting article on the coexistence of snakes and squirrels.
For instance, it turns out adult squirrels are immune to rattlesnake venom, though juvenile ones aren't.
And that squirrels wave their tails to decoy snakes away from nests, but not by visual means- by thermal! The squirrel tails heat up when they're being waved. The hotter the tail, the more likely the SQUIRREL will attack, thinks the snake...