can hedgehogs climb
1 Though hedgehogs mainly stay on the ground, they swim quite well and even climb trees. 2  If one is up in a tree and wants to get down quicklyâor fallsâits spines come in handy once again. 3  When the hedgehog hits the ground, it bounces, unhurt, because of the spines.hen threatened, they curl into a ball making it painful for predators to try to eat them. A prickly hedgehog ball is not an inviting morsel of food! Hedgehogs mainly stay on the ground, but they can swim quite well and even climb trees.