190 



kf:y to the water birds of fi.orida. 



Accidental on the Florida coast in winter. It ranges from the far North 

 southward to South America and South Africa. It breeds in high northern 

 latitudes. The eggs are olive brown, blotched with chocolate brown. The 

 nest is a little grass in a slight depression in the ground. 



Stercorarius parasiticus (adult). 



Stercorarius parasiticus (immature). 



STERCORARIUS LONQICAUDUS VieilL 

 Long-tailed Jaeger. 



Length from base of the hook on end of upper mandible (unguis) to frontal feathers less 

 than from unguis to tip of upper mandible ; tarsus blue in freshly killed specimens, feet 

 black. 



Adult ; Above slaty gray : top and sides of the head dull black ; sides of the head and neck 

 pale yellow ; under parts dark slate color ; chest and upper belly whitish. 



Immature : Resembles the preceding species in color ; but may be distinguished by com- 

 paring the measurements of the bill and tail. 



Length, 19 to 23; Wing, 12.50; Tail (adult), 12.50 (immature), 6; Tarsus, 1.65 ; Bill. i.io. 



It breeds in high northern latitudes, ranging southward in winter to the 

 West Indies and Gulf of Mexico. The eggs are three in number, pale 

 olive brown blotched with chocolate brown. It nests on the ground. 



A bird of this species was found dead on the beach, a short distance 

 north of Cape Canaveral. I have never seen it alive in Florida. 



