Amphisbaena

The amphisbaena (/ˌæmfɪsˈbɛɪnə/, /ˌæmfɪsˈbnə/, or /ˌæmfɪsˈbnə/, plural: amphisbaenae; Ancient Greek: ἀμφίσβαινα) is a mythological, ant-eating serpent with a head at each end.