Vampire bats use various super senses such as echolocation to find their prey. Once a victim is located, razor-sharp teeth and special saliva containing anticoagulants is used to prevent their blood-filled victim's wound from healing. This provides a steady pool of blood for them to lap up.
Available since: Mon 2 Dec 2013
This clip is from
3/3 The expedition culminates in South America, where the puma's hunting behaviour is filmed.
First broadcast: 12 Aug 2012
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