What happens when a team of scientists and local Awajún guides go on a 38-day trip into the Alto Mayo region of Peru? Over 2000 species are identified, of course! Tucked in this lush landscape where the Amazon basin meets the Andes mountains, were 27 species of animals previously unknown to science. It makes us wonder, what else is out there that the scientific community hasn't seen? And who already knows about it?

Check out photos of all the critters we mentioned — and more!

Other ecosystems or critters you think would make a good episode? Let us know by emailing [email protected]!

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