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Researchers have discovered a tiny nocturnal frog in Costa Rica's central Pacific region.
Upon the exciting observation, experts also highlighted the risks the frog is facing from agrochemicals used in farming.
Also known as "spring frog", the amphibian is less than four centimetres in measurement and has dark green spots on its body. It was found in San Lorenzo de Tarrazu.
'A new species of tree frog'
"It's a new species of tree frog for science and endemic to Costa Rica," researcher Wagner Chaves-Acuna shared with AFP, per the findings of colleagues from the University of Costa Rica and Argentina's National Council for Scientific and Technical Research.
Also nicknamed the "coffee frog", the species has another distinctive trait: Males have a translucent throat that inflates with their short, high-pitched call.
"At night, when they are most active, you can hear them singing and perched on coffee shrubs," Chaves-Acuna said.
Generally, frogs seek out shade, moisture and food in the crops, but they are not after the coffee berries and instead feed on the small insects in the habitat.
'Coffee frog' at risk due to pesticide
Chaves-Acuna warned that pesticide use on coffee plantations could potentially pose a risk to these tiny amphibians.
"These poisons travel through the air ... they seep through the soil, and that's where they enter the aquatic systems where the tadpoles develop," Chaves-Acuna said.
