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Some very large birds are being sighted in the skies over North America. Described as an enormous black bird with a white ring around its long neck and a wingspan of up to 20 feet and more, this giant bird of prey has been sighted from Alaska, Canada, and the Pacific Northwest, and into the Midwest, Appalachia, and Pennsylvania. The accounts are puzzling and hard to believe, yet eyewitnesses swear by what they saw. Evidence from around the world indicates that our ancestors knew and feared the bird, which can carry away small children and animals. In this compelling compilation of evidence, researcher Mark Hall presents the case for a terrifying, monstrous bird that has roamed our continent since the days of the ancient legends of the Thunderbird