A tiny tree frog not seen for twenty years and thought to be extinct has been spotted in Costa Rica's Monteverde Cloud Forest Preserve.
Scientists from the University of Manchester and Chester Zoo in the United Kingdom saw and photographed a male specimen of the frog Isthmohyla rivularis last year. A search of the same area this year turned up a pregnant female and more males, suggesting that the species is breeding.
Photo courtesy Mark Dickinson, University of Manchester
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