National Geographic News
February 17, 2007—A miner from Mexico's Chiapas state has made the find of a lifetime—a tiny tree frog preserved in amber that could be 25 million years old, a scientist recently announced (map of Mexico).
The block of amber, or fossilized tree resin, encasing the 0.4-inch (1-centimeter) frog was unearthed in 2005 and sold to a private collector, according to the Associated Press (AP). The collector then lent the piece—seen in this photo released on February 14—to scientists.
Photograph from AP/Gerardo Carbot-Instituto de Historia Natural y Ecologa
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