35. Skua (Megalestris skua). L.22. Ads. Above 
dark, dirty brown; below paler. Yung. 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 Callfornia 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. Yung. Above 
blackish brown margined 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, southto South America, southern Africa and 
Australia. 
37. Parasitic Jaeger (Stercorarius parasiticus). L. 
17; B. 1.1; its scaly shield Jonger than distance from 
end of shield to tip of bill. ds. Both phases simi- 
lar in color to No. 36, but central tail feathers poznted, 
8.6long. Yung. Similar in color to No. 36 but smaller, 
bill shorter, middle tail feathers more pointed. Notes. 
“Loud wa.ling 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. .4ds. In both phases resemb- 
ling No. 36 but central tail feathers pointed and 12 in. 
long. Yung. Like No. 36 and No. 37, but to be dis- 
tinguished by differences in bill measurements. Notes. 
“A hoarse gua, a shrill phéu-phéu-phéu-pheo, when 
flying; or a rattling Ar-r-r-r-, kr-r-r-r, kr-r-r, kré-kré-. 
kré-kré, 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 Callfornia 
record. 
51 
Skua and Jaegers. 
