COSTA RICA (AFP) — A tiny greenish, nocturnal frog that thrives in coffee plantations has been discovered in Costa Rica’s central Pacific region, where it also faces risks from agrochemicals used in farming.

Measuring less than four centimetres and known as the “spring frog,” AFP reporters observed the dark green-spotted amphibians in San Lorenzo de Tarrazu.

“It’s a new species of tree frog for science, and endemic to Costa Rica,” researcher Wagner Chaves-Acuna told AFP, per the findings of colleagues from the University of Costa Rica and Argentina’s National Council for Scientific and Technical Research.