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A cryptid is a creature or plant whose existence has been suggested but is not yet recognized by scientific consensus. Well known examples include the Yeti in the Himalayas, the Loch Ness Monster in Scotland, and Sasquatch in North America.
One characteristic many cryptids share is an element of the uncanny, eerie or downright terrifying. They're something we can frighten our friends with around the campfire - especially when it comes to the ones said to lurk above us, perhaps waiting to swoop down and attack. Here's a look at ten cryptids that might strike from the air.