Why three-toed sloths risk their lives to help moths Why three-toed sloths risk their lives to help moths Looking for a truly remote, off-the-grid adventure? Try Panama. Looking for a truly remote, ...

Sloths are some pretty interesting animals. Beyond their reputation for being slow, a host of different traits reveals a lot about their evolution and behaviors. Take for example their mating calls.

The charismatic and slow three-toed sloth is just one of many animals species that Smithsonian scientists study, from within our vast collections to live animals at our research centers and National ...