11 Anonymous In: Question-Answer Which two mammals lay eggs? 11 Which two mammals lay eggs? Platypus and Echidna Anteater and Armadillo Walrus and Sea Lion Baiji and Wombats 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-08-03T08:56:50+00:00Added an answer on August 3, 2021 at 8:56 am The correct answer is Platypus and Echidna. 16 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.