NPR's Ari Shapiro talks with scientist Alejandra Ramos, who just led a study about axolotls born in captivity who were released into the wild and survived. We've got some good news for axolotls.

We’ve got some good news for axolotls. Those are adorable little amphibians with feathery gills and cartoonish smiles. The salamanders were once found in lakes and wetlands throughout central Mexico.