Scientists are Unlocking the Secrets of Four-Tipped Penis Echidnas

The egg-laying monotremes, and one among the world's strangest animals, are the Echidnas, also known as 'spiny anteaters'. They are a result of monotreme reproduction characterized by unusual blend of reptilian and mammalian features. Bu what feature makes them so strange, you asked? It's their very own four-tipped penis!