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Echidnas sharp spines are made of keratin which is the same protein as human hair and fingernails. Who knew! They are so timid and curl into a tiny ball or try to dig when frightened. They eat lots of ants and are super cute.
Echidnas sharp spines are made of keratin which is the same protein as human hair and fingernails. Who knew! They are so timid and curl into a tiny ball or try to dig when frightened. They eat lots of ants and are super cute.
