But waiting in the wings is something formidable. I was shocked to see the leeches eating the toadlets Naturalist and all-round wildlife guru John Walters sent us to a remote pool in Dartmoor ...

Until recently, the genus was known mainly for brightly colored species with venom, such as the pumpkin toadlets B.

They reported their findings in the journal PeerJ. The little guys belong to a subgroup known as flea toadlets or flea toads ...