JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 483 



Subfamily PANDIONIN^. Ospreys, Fish Hawks. 



Genus PANDION Savig. 

 172. Pandion haliaetus carolinensis (GMEL.) 

 AMERICAN OSPREY. FISH HAWK. 



Distr.: Greater portion of North America, the West Indies and 

 northern South America ; common in the eastern United States ; 

 breeds nearly throughout its range. 



Adult: Head and neck, white, the crown streaked with dusky, 

 and a blackish stripe from the eye to the nape; upper plumage, 



American Osprey. 



fuscous brown, the feathers more or less edged with white; tail, dark 

 brown, barred w'ith dusky and tipped with white, and all but the mid- 

 dle feathers barred with white on the inner webs; under parts, white; 

 bill, dark; feet, grayish blue. 



Immature birds are darker on the upper parts and show less white. 



