Tif Faves Echidna size is 50 cm and 20 inches long. Their color is brown and white. When Echidna are attacked they roll into a little ball and rolls out of reach. Echidna has 1 baby a year. Echidna life span is three times than a cat or dog.
Echidna lives everywhere except the tropical rainforest.
Echidna eat ants and termites.