Giant Otter vs Caiman: Teamwork, Teeth, and the Reality of an Amazon Rivalry

At first glance, Giant Otter vs Caiman sounds like a simple matchup between a mammal and a crocodilian. In reality, it is more complicated. A giant otter (Pteronura brasiliensis) is the largest living otter, an endangered, highly social freshwater carnivore that hunts mainly fish in family groups. A...