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WEC267: Florida's Introduced Birds: Sacred Ibis (Threskiornis aethiopicus)

Figure 6. The patterns on the undersides of their wings can be used to identify invasive Sacred Ibises in flight. Sacred Ibises (A) have white wings with a black trailing edge, and may have patches of bare, scarlet-red skin under the leading edges of the wings during the breeding season (stippled black when viewing in black-and-white). White Ibises (B) have nearly solid white wings with black tips. Endangered Wood Storks (C) have white wings with black outer feathers. Credit: Monica McGarrity, University of Florida, 2009 (Modified from basic bird wing outline by Muriel Gottrop, Wikimedia Project, 2008)