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 Larid#: Gulls have 

 hooked bills, usually yellowish, yellow eyes and pale, 

 webbed feet. Heap, 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. Tubin- 



ares. 



FULMARS, SHEARWATERS, PETRELS. Family 

 Procellariida?: Nostrils opening in a tube on top of 

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



