The most deadly kind of poison-dart frog contains enough poison to kill 6 people.
Sounds wild
Sounds wild Studying populations of creatures in the wild may
now be easier thanks to John Spiesberger of the University of
Pennsylvania. Using a computer software program linked to different
microphones, Spiesberger found that he could locate hard-to-find
creatures from their calls, when they are hidden in dark
rainforests or oceans. 9 OCTOBER 1999, P. 17
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