What is the collective noun for platypus?

There isn't a specific, commonly used collective noun for a group of platypuses.

However, some options that could be used include:

* A paddle of platypuses: This emphasizes their webbed feet and swimming ability.

* A bill of platypuses: This plays on their distinctive bill shape.

* A brood of platypuses: This refers to their nesting habits.

Ultimately, the best collective noun to use will depend on the context and what you want to emphasize about the platypuses.