The frog that breaks its own bones to use as claws; the frogs that raised tadpoles in their stomachs; the musical frog that works in real estate advertising; and the flattest toad in the world.
The Central African hairy frog – also known as the horror frog – can break its own bones and stick them through its skin, to use as impromptu claws.
The now-extinct platypus frogs of eastern Australia gestate tadpoles inside their own stomachs.
The Emei music frog of China uses sound to advertise the size and scope of its burrow.
The common Surinam toad is the flattest amphibian in the world.