Why Do Hedgehogs Spit Up On Themselves?

Why is this hedgehog foaming at the mouth and rubbing it all over her back? 🦔😳

It’s called self-anointing, and while scientists aren’t  sure why they do it, they have some theories. It could help mask their scent from predators, or turn their spit into a toxic shield using chemicals from poisonous prey they’ve eaten.