Platypus Deep by Jill Morris and Heather Gall

Platypus Deep is a 2006 children's picture book by Australian author Jill Morris, illustrated by Heather Gall, about a platypus named Orni searching for a new home after a storm destroys his old one, teaching young readers about the platypus's habitat, ecosystem, and scientific names. The story follows Orni as he travels upstream, encountering other native Australian animals and learning about the importance of his creek system over millions of years.