Nyctibatrachus robinmoorei sitting on an Indian five-rupee coinSD BIJU
(See S. Garg et al., “Seven new species of Night Frogs (Anura, Nyctibatrachidae) from the Western Ghats Biodiversity Hotspot of India, with remarkably high diversity of diminutive forms,” PeerJ, doi:10.7717/peerj.3007, 2017.)