They are mammals with a duck like bill and flippers and lay eggs!! Add glowing green fur to the list! Read this article published by Newsela to learn more.
Pick an activity to to keep learning:
Take the quiz after the article and check your work.
Locate each of the locations/cities/states/countries/schools mentioned in the article on a map.
What other animals have biofluorescence? Do research to find out. Create a list of 5.
Research scientific sketching. Create a scientific sketch of a platypus.