👉 Tanaoidea is a family of large, long-necked birds in the family Arctiidae. These birds are commonly found in tropical and subtropical regions and have been recorded from various continents. Their wingspan can reach up to 3 meters (10 feet) and their necks can be as long as 2 meters (6 feet). Tanaoidea is characterized by their distinctive black-and-white plumage, with a white belly and red legs.