A cryptid is a legendary creature that has been claimed to exist but no proof has ever been found. Popular cryptids include Bigfoot, Ningen, Loveland frog, Jersey Devil, Loch Ness Monster, Skunk Ape, and many more. Cryptozoology is "the search for and study of animals whose existence or survival is disputed or unsubstantiated, such as the Loch Ness monster and the yeti.." (Oxford Languages). Links to resources or books listed here should not be seen as an endorsement of sites or content. We invite readers and researchers to take a skeptical view, and we welcome you to consult with us on evaluating sources.