Sortety for the Protection of Birds. 
EDUCATIONAL SERIES. Edited by H. E. DRESSER, F.L.S., F.Z.S. 
a 
No. 16.—SKUAS. 
Biya by Erbil ICY EM A. aE .Z,.S: 
SKUA. 
I. Name.—SKUA. 
Order—Gavie. Family—Laride. Sub-Family—-Stercorartine. 
Four Species are included in this Genus, viz. :— 
Stercorarius catarrhactes (L.). Great Skua. 
Stercorarius pomatorhinus (Temm). Pomatorhine Skua. 
Stercorarius crepidatus (Banks). Richardson’s Skua. 
Stercorarius parasiticus (L.). Buffon’s Skua. 
II. General Description. 
Great Sxvua.—The general colour of the whole bird is dark brown, mottled on the 
upper parts with a dull white, under parts rather lighter in colour. When looking 
TlJustration, by kind permission of Messrs. Gurney & Jacksor, from “Manual of British Birds,” by 
Mr. Howard Saunders, 
