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Published on Apr 10, 2012
A female cassowary making a territorial threat call. According to the San Diego Zoo website (http://www.sandiegozoo.org/animalbyte...), "The booming sound a cassowary makes is the lowest known call of any bird and is right at the edge of human hearing. " These birds are native to Papua New Guinea and Northern Australia. This particular bird was at the White Oak Conservation Center in Yulee, Florida.