1. I had to save the last duck-billed platypuses from extinction.

2. Do the baby platypuses know their mother left them to run away with her beaver?

3. “Do platypuses have the best memories of all mammals, elephants a sporadic memory, and cetaceans a terrible memory?” "Vậy thì loài rái mỏ vịt có trí nhớ tốt nhất trong các loài động vật hữu nhũ, voi có trí nhớ rời rạc, còn động vật hữu nhũ ở biển thì trí nhớ của chúng thật là tệ ư? "

4. Platypuses has been used several times as a mascot: "Syd" the platypus was one of the three mascots chosen for the Sydney 2000 Olympics along with an echidna and a kookaburra, "Expo Oz" the platypus was the mascot for World Expo 88, which was held in Brisbane in 1988, and Hexley the platypus is the mascot for Apple Computer's BSD-based Darwin operating system, Mac OS X. The platypus has been featured in songs, such as Green Day's "Platypus (I Hate You)" and Mr. Bungle's "Platypus".