10 



ORDER 2. LONG-WINGED SWIMMERS. Longi- 

 pennes. 



SKUAS, JAEGERS. Family Stercorariida-: Ma- 

 rine birds of prey; bill strongly hooked, with long 

 scaly shield, or cere, at the base; claws strong and 

 curved, hawk-like; flight hawk-like; plumage often 

 entirely sooty-black, and always so on the back. 



GULLS, TERNS. Family Larido?: Gulls have 

 hooked bills, usually yellowish, yellow eyes and pale, 

 webbed feet. Head, underparts and square tail are 

 white in adults, back, pearl-grey; exceptions are the 

 four small black-headed gulls, which also have red- 

 dish legs. Gulls fly with the bill straight in front, 

 and often rest on the water. Terns have forked tails, 

 black caps, and their slender, pointed bills and small 

 webbed feet are usually red. They fly with bill 

 pointed down, and dive upon their prey. 



ORDER 3. TUBE-NOSED SWIMMERS. Tubinares. 



FULMARS, SHEARWATERS, PETRELS. Family 



Procellariido?: Nostrils opening in a tube on top 



of the hooked bill. Plumage of fulmars, gull-like; 



