For years, people in the Indonesian province of Central Sulawesi have been able to easily identify a specific crocodile stalking the Palu River. In some respects, this one looks like many others: It’s mosaicked with mud-colored scales, boasts a long-and-strong tail, and brandishes powerful, cone-shaped teeth. But there’s one foolproof way to distinguish this croc from its kin: It wears a rubber tire like a collar. The crocodile has been trapped in this tire for around five years. In the 21st century, it’s not especially unusual for an animal to…
