Poor little guy, he's probably scared and the hiding in a ball is an involuntary response. He's doing his best.
Bird: "Hurry here comes a car!"
Hedgehog:"Im SCARED!" *freezes*
Bird: "Ima PECK you!"
Hedgehog scrambles to the end of road.
Hedgehog:"Im SCARED!" *freezes*
Bird: "Ima PECK you!"
Hedgehog scrambles to the end of road.