Hundreds of years ago, when the Mexica established themselves in what would become the capital of the Aztec Empire, they encountered an alien-looking creature with a permanent grin and a crown of ...
Axolotls (Ambystoma mexicanum) are a critically endangered species of salamander. The species has only one natural habitat remaining, a series of canals in Mexico City, and only 50 to 1,000 axolotls ...
Axolotls have permanent smiles on their faces that make them so adorable. ©axolotlowner/Shutterstock.com The only aquatic creature cuter than a sea turtle is an ...