DOWN UNDER KNOWLEDGE TEST.

Australia has an animal that is covered in fur, a beaver like tail, lays eggs, swims with 4 webbed feet while having it's beady eyes and ears closed, locating prey with a pressure sensitive duck like bill, eats crayfish and shrimp, feeds its young milk, yet has no teats, is nocturnal, sleeps 17 hours a day, the male being the only venomous mammal in the world to secrete poison from 4 hollow ankle spurs. This animal is also a monotreme (single cavity for eggs, faeces and urine) and lives in muddy holes…………….
what am I?

Answer