Answer: cryptozoology

AnswerCrossword Clue
cryptozoologythe study of and search for animals and esp legendary animals
cryptozoologyThe search for and study of animals whose existence or survival is disputed or unsubstantiated, such as the Loch Ness monster and the yeti
cryptozoologythe study of evidence tending to substantiate the existence of, or the search for, creatures whose reported existence is unproved.