By comparison, only 23 animal species and 427 individuals were seen at the control sites. Chinese pangolins, with their powerful claws, dig deep underground burrows and overwinter in them.

That's a lot of digging for an animal about the size of a medium dog with short legs, but also wide feet and sharp claws. Wombats can be up to 3 feet long and 88 pounds (40 kg). They have ...