The Zoological Society of London (ZSL) has drawn up a list of the top 10 unusual and threatened amphibians, like this Malagasy rainbow frog. It inflates itself when threatened!
This is a rare animal! The purple frog was only discovered in 2003 because it spends most of the year buried up to 4m underground.
Check out this Chinese giant salamander - it can grow to be as big as a man!
These lungless salamanders of Mexico are a highly endangered species. They don't have lungs but breathe through their skin and mouth lining.
This olm is a blind salamander with see-through skin that lives underground. It hunts for its prey by smell and using electric currents and can survive without food for 10 years.
These ghost frogs of South Africa are found only in traditional human burial grounds on Table Mountain in South Africa.
These tiny frogs grow to just 11mm - the size of a drawing pin - and could be the world's smallest frogs! It's called a Gardiner's Seychelles.
This type of toad - a Betic midwife - evolved over 150 million years ago. The males carry the eggs wrapped around their back legs.
This strange creature is a Sagalla caecilian. It has no limbs and has special tentacles on the sides of its head.
This is a Chile Darwin's frog. Experts are worried about these because none have been officially sighted since around 1978 and may now be extinct.