The animal world is full of an impressive array of sounds, from singing whales , to those capable of mimicking humans. One species in particular is named after the noise it makes – but have you ever stopped to consider how a rattlesnake's rattle actually works?

First of all, rattlesnakes are venomous reptiles with a segmented rattle at the tip of their tail. There are around 35 species that live across North and South America. The most common species in North America are the timber rattlesnake, the prairie rattlesnake, and the eastern and western diamondbacks .

Typically rattlesnakes are not an aggressive species; they are pit vipers and most are nocturnal. Their signature rattle is used to warn other animals to stay away, otherwise they might get bitten. This is an example of

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