8 Animals That Suck Blood

Flea: This is another pesky but seemingly benign insect that is actually extremely deadly—as in Black Death deadly. 

Bedbug: Sleep tight, don’t let the bedbugs bite. This nursery rhyme fails to convey the true nightmare of bedbugs.

Mosquito: These flying insects are all too familiar to most people.

Oxpecker: These African birds—also known as tickbirds—perch on cattle and big-game animals.

Vampire Finch: Another bloodthirsty bird, the vampire finch is found on the Galapagos Islands.

Leech: Although most people avoid these bloodsucking worms, leeches have long been used in the world of medicine.

Lamprey: These primitive eel-like animals haven’t changed much over hundreds of millions of years. 

Vampire Bat: This type of bat, of which there are three species, is the only known mammal whose diet is solely based on blood.

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