FAM. LXI. SKUAS AND JAEGERS 



335 



The shafts of the tail feathers, and the shafts and the basal 

 portions of the inner vanes of the wing quills, are white. The 

 young is some- 

 what streaked 

 with yellowish, 

 especially about 

 the head and 

 neck. 



Length, 22 

 wmg,16(15f-16J) 

 tail, 6 ; tarsus, 2f 

 culmen, 2^. Tlie 

 coasts and islands 

 of the North At- 

 lantic, south in 

 America to North 

 Carolina, but very gk^a 



rare. 



2. Pomarine Jaeger (36. Stercorclrias pomarinus). — In usual 

 or light jyliase, a large jaeger with cap, wings, back, and tail 

 blackish-brown, back of neck yellow, and the lower parts white 



with many streaks and bars 

 of brown, especially on the 

 breast and sides. Dark 

 pliase. — A dark brown to 

 black bird with the lower 



' ' parts somewhat lighter, the 



bill dark greenish, and the feet black. The central projecting 

 tail feathers have rounded tips. 



• Length, 22; wing, 1-3J (13J-14); tail, 5i-9 ; tarsus, 2; culmen. If. 

 Arctic regions ; south in winter to Africa, Australia, and probably South 

 America. Found on inland waters as well 

 as seas. 



3. Parasitic Jaeger (37. Stercord,rius 

 parasiticus). — A smaller bird, but 

 similar in coloring to the last, with 

 the brown of the back not so black- |^^— ^-i"^— ^ 

 ish. It occurs in a light and a dark phase. The middle tail 



