In the wild they live mostly along the Amazon River and the Pantanal - the world's largest tropical wetland area. Giant otters are an endangered species that were nearly wiped out by poachers because ...

Giant river otters, native to South America’s freshwater habitats, are endangered due to habitat destruction and hunting, according to Magill. Often called “river wolves,” Magill said they ...

Hellbenders, an aquatic animal that’s North America’s largest salamander, are endangered ... of giant salamanders called hellbenders, also known as water dogs or snot otters for their slimy ...