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Cuttlefish Males Fool Rivals by Imitating Opposite Sex
Small Australian cuttlefish males can't strong arm larger rivals, so they resort to a clever deception in order to win a mate.
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47:52
Dogs aid the disabled, do dangerous military work, find humans buried by avalanches
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54:19
Researchers and filmmakers produce the first comprehensive film chronicle of the jaguar.
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55:02
The walls of ice in Glacier Bay surround the most beautiful sights Alaska has to offer.
