monotremes

Monotreme Mucus Bubbles In Greek mythology, Echidna was half-woman and half-snake. With Typhon, she birthed some of the most famous mythological monsters, including, according to various sources, Cerberus, Hydra, Chimera, the Nemean Lion, Sphinx, and Scylla. When early naturalists encountered one of the planet’s strangest critters, they weren’t sure if it was a mammal or […]