Table IV.— Ice Affinities of Gulls. 



Table V. — Stomach Contents of Birds Collected in Chukchi Sea. 



Table V/.— Methods of Feeding of Chukchi Seabirds in the Fall. 



Species 



Food 



Method of capture 



Depth 



Loons 

 Ducks 

 Phalaropes 

 Jaegera 

 Glaucous Gull 

 Ivory Gull 

 Kittiwake 

 Ross' Gull 



Large alcids 

 Small alcids 



Fish 



Molluscs, crustaceans 



Zooplankton 



Mostly fish 



Fish, crustaceans, refuse 



Fish, refuse 



Fish 



Crustaceans, fish 



Pish, crustaceans 

 Crustaceans 



Surface diving 



Surface diving 



Surface feeding 



Piracy from gulls, alcids 



Surface feeding 



Contact dipping 



Plunge to surface 



Hovering, plunge to surface, 



surface feeding 

 Surface diving 

 Surface diving 



Surface, midwater 



Bottom 



Surface 



In air, surface 



Surface 



Surface 



Surface 



Surface 



Surface, midwater 

 Surface, midwater 



172 



