Richard Lynch, a local botanist, has the most unusual of alarm clocks: He wakens daily to the peculiar sound of amphibian mating calls. Criiick criiick. Ticki-ticki-ticki-ticki! Amorous jungle noises ...
It took 10 minutes to spot just one strawberry dart frog in the terrarium at the National Zoo, hidden carefully in the folds of a lush green leaf and staring with beady black eyes into the early ...
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