What are the only two mammals that lay eggs?
Correct answer: Platypus & Echinda (or Spiny Anteater)
TaeGuk Kweenie
3rd choice should be ECHIDNA and not echinda
Byrde Alpha Bitch
Nature's quirks, some mammals lay eggs, some fish, (sharks) have live births, etc. Mother Nature likes to keep you on your toes; but I am not a ballerina! LOL
YoungAtHeart
Interesting anatomy they have with just the single opening. Hence the term "monotreme".