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Edchina the hedgehog has 4 penis heads and unbelievable strange things |#DiscoveryTheMystery Echidnas , sometimes known as spiny anteaters,[1] are quill-covered[2] monotremes (egg-laying mammals) belonging to the family Tachyglossidae /tækiˈɡlɒsɪdiː/. The four extant species of echidnas and the platypus are the only living mammals that lay eggs and the only surviving members of the order Monotremata.[3] The diet of some species consists of ants and termites, but they are not closely related to the true anteaters of the Americas, which (along with sloths and armadillos) are xenarthrans. Echidnas live in Australia and New Guinea. Echidnas evolved between 20 and 50 million years ago, descending from a platypus-like monotreme.[4] This ancestor was aquatic, but echidnas adapted to life on land Echidnas are medium-sized, solitary mammals covered with coarse hair and spines.[6] The spines are modified hairs and are made of keratin, the same fibrous protein that makes u
