Just because the world contains thousands of petabytes of information doesn’t mean we know everything yet. Every year, we discover hundreds of new species about which almost nothing was known before.

Last year, we highlighted a shark that "walked" on the ocean floor and the rare olinguito, an adorable tree mammal from the cloud forests of Colombia and Ecuador.

See also: Get Lost in These 19 Fascinating Maps

This year, we found 12 of this year's most interesting newcomers from the animal kingdom. Scroll through to meet them.