The world's jungles host some of the fastest animals on the planet. Vipers strike at lightning speed, spiders leap 70 times their body length and chameleons snatch their prey at speeds of 900 MPH. Watch all the action in Speed Kills: Jungle on Roku's Smithsonian Channel.
Shown in HD, this 46-minute episode of the Speed Kills series is only one of more than two dozen full-length Smithsonian Channel shows available on Roku. Also currently being shown are episodes of The Real Story, Mystery Files, Dive Detectives, and more.
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