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A flying stag that casts a human shadow until it kills, then finally casts its own.
borges inventionLikely fabricated by Jorge Luis Borges in 1957
phantom shadowCast a man's shadow until first kill
atlantis originSaid to be reincarnated drowned travelers
radar twistModern astronomers named a signal-interference glitch after it
deer-bird hybridStag head and legs, eagle wings and plumage