The Sri Lankan Kandyan dwarf toad (Adenomus kandianus) was thought to be extinct. It’s still listed as extinct, and hadn’t been seen in almost 135 years. A. kandianus was first discovered in a freshwater stream in Sri Lanka in 1872. It was last seen in 1876. Exhaustive surveys had failed to find any trace of it until 2009, where a cataloging effort of the region’s forests spotted four unusual toads in a fast-flowing stream.
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