\ 



Skua and Jaegers 



35. Skua (Megalestris skua). L. 22. Ads. Above 

 dark, dirty brown, below paler. Yng. Similar, but 

 more distinctly streaked with yellowish, especially on 

 head and neck. 



Range. — North Atlantic, chiefly eastern; breeds from Shetland 

 Islands northward; winters south to Gibraltar, and rarely Long Island. 

 One specimen from California coast. 



36. Pomarine Jaeger {Stercorarius pomarinus). 

 L. 20; B. 1.5. Middle tail feathers rounded. Ads. 

 light phase. Cap black; throat, breast, and neck, all 

 around, white tinged with straw; back, lower belly, 

 upper and under tail coverts brownish slate. Ads. 

 dark phase. Dark brown, paler below. Yng. Above 

 blackish brown m irgined with rusty; below white 

 margined with dusky and buffy. Notes. "A low, 

 hoarse, chattering cry." (Nelson.) 



Range.- Northern hemisphere; breeds north of Lat. 70 ° ; 

 winters, mainly at sea, south to South America, southern Africa and 

 Australia. 



37. Parasitic Jaeger (Stercorarius parasiticus). L. 

 17; B. 1.1; its scaly shield longer than distance from 

 end of shield to tip of bill. Ads. Both phases simi- 

 lar in color to No. 36, but central tail feathers pointed, 

 8.6 long. Yng. Similar in color to No. 36 but smaller, 

 bill shorter, middle tail feathers more pointed. Notes. 

 "Loud waling cries, interspersed with harsh shrieks." 

 (Nelson.) 



Range. — Northern hemisphere; breeds in Arctic regions; winters 

 mainly at sea. from California, Great Lakes, and Massachusetts south 

 to South America. 



38. Long-tailed Jaeger (Stercorarius longicaudus). 

 L. 21; B. 1, its scaly shield shorter than the distance from 

 its end to the tip of bill. Ads. In both phases resemb- 

 ling No. 36 but central tail feathers pointed and 12 in. 

 long. Yng. Like No. 36 and No. 37, but to be dis- 

 tinguished by differences in bill measurements. Notes. 

 "A hoarse qua, a shrill pheil-pheil-pheu-pheo, when 

 flying; or a rattling kr-r-r-r-. kr-r-r-r, kr-r-r, kre-kre-. 

 kre-kre, the latter syllables shrill and querulous." 

 (Nelson.) 



Range. — Northern hemisphere; breeds in Arctic regions: winters 

 mainly at sea, south to Gibraltar and Gulf of Mexico; one California 



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