The tropical rattlesnake can rattle its tail 50 times per second and strike at 10 feet per second, but you have to see it in slo-mo to believe it.
See more of Costa Rica's charismatic wildlife in
Untamed from Nat Geo Wild. Follow filmmaker Filipe DeAndrade and his two best friends as they travel throughout Costa Rica in search of the most diverse, iconic and unexpected animal species the country has to offer.
