Mongabay reports
On a private nature reserve in Costa Rica, Donald Varela-Soto searched for the source of a shrill frog call for six months. What he found turned out to be a new species, a tiny green tree frog that has been named Tlalocohyla celeste.
Read more at Tiny new tree frog species found in rewilded Costa Rican nature reserve
Natural History Wanderings 
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