86 



LONG-WINGED SWIMMERS. 



pointed, llgs. 55-56. Two phases of plumage: 

 Lio^ht phase; top of head and above dusky,^ 

 sides of head and below white. Dark phase, 



Fi^. 55. 



~^^'--,'^,,>'~^. 



Pomarine Jaeger in autumn. 1-5. 



uniform dusky and all intergrades occur be- 

 tween the two phases. Young, banded below 

 with buff. Breeds far north. Migrates south 

 from Aug to Oct; winters far south; north in 

 May. 



55. PARASITIC JAEGER. 

 Similar, smaller^20, projecting tail feath- 



