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

little b
I don't like gghn

Ruf
Echidna not echinda

KevinM
Apart from the spelling error.
Both are Australian.

Geordie4Life
A semi aquatic, egg laying mammal of action

Queen Esther
I almost had to guess!!!