A vampire is a creature from folklore that subsists by feeding on the vital essence of the living. In European folklore, vampires are undead creatures that often visited loved ones and caused mischief or deaths in the neighbourhoods they inhabited while they were alive. They wore shrouds and were often described as bloated and of ruddy or dark countenance, markedly different from today's gaunt, pale vampire which dates from the early 19th century. Vampiric entities have been recorded in cultures around the world; the term vampire was popularized in Western Europe after reports of an 18th-century mass hysteria of a pre-existing folk belief in the Balkans and Eastern Europe that in some cases resulted in corpses being staked and people being accused of vampirism. Local variants in Eastern Europe were also known by different names, such as shtriga in Albania, vrykolakas in Greece and strigoi in Romania.

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8-armed Jurassic 'vampire' used supersuckers to trap prey, amazing 3D images reveal

New study using non-destructive 3D imaging technique suggests that an ancestor of vampire squids was an active hunter. This is in contrast to its modern relative which is adapted to a low energy lifestyle in the deep ocean.

Vampire Squid’s Ancestor was Active Hunter, New Study Suggests

This Ancient Vampire of The Deep Ocean Really Sucked

Vampire squid are gentle blobs. But this ancestor was a fierce hunter

Like college roommates, vampire bats bond when randomly paired

See the murky world of vampire appliances captured on camera

How did vampire bats get a taste for blood? Scientists have drawn the answer

Vampire bats adapted to drinking blood by shedding several genes

Lost genes may help explain how vampire bats survive on blood alone

Lost Genes Explain Vampire Bats' Diet of Blood

New Species of Extinct Vampire-Squid-Like Vampyropod Had 10 Functional Arms

Carboniferous Vampire-Squid-Like Cephalopod Had Ten Arms

Hail to the Squid – New Species of Extinct Vampire-Squid-Like Cephalopod With 10 Arms Named After Biden

New species of extinct vampire-squid-like cephalopod is the first of its kind with 10 functional arms

Ancient 'Vampire' Cephalopod From 330 Million Years Ago Is a First of Its Kind

Astronomers have gotten a good look at what happens when a "vampire" star sucks the outer layers of material from a companion star, stripping this "bitten" victim down to a mere stellar core.

Vampire Bats That Socialize Together Have a Similar Microbiome

Fraternizing vampire bats share 'social microbiomes'

How Citizen Scientists Uncovered the Strange Behavior of ‘Vampire’ Butterflies