platypus - ornithorhynchus anatinus, duck-billed platypus, semiaquatic egg-laying mammal endemic to eastern australia

anatinus animal aquatic atherton australia australian beak bill billed brown creek duck duckbill duckbilled eastern egg endangered endemic fur laying mammal monotreme national nature ornithorhynchus park platypus queensland rare river semiaquatic stream swim tablelands tail tasmania underwater unique venomous water wildlife