66K views · 877 reactions |  A Puff Adder doing what it is most well-known for.  This video shows how the Puff Adder inflates its right lung to create an incredibly intimidating puff to warn off any potential predator. This defensive display is almost always followed by the snake striking if this defensive behavior is not enough of a warning for any human or animal that gets too close.  #puffadder #herpetology #snakes | Robert Wedderburn Productions | Facebook