They’re one of Britain’s most loved wild visitors but hedgehogs are in trouble. These prickly nocturnal wanderers travel up to 2km a night in search of food and mates, slipping through holes in fences ...

The Tulsa Zoo has several hedgehogs, but most zoogoers do not know it because the little critters are not on exhibit. The four-toed hedgehog is what the zoo calls an "animal ambassador" and is used ...