104 



NORTH AMERICAN FAUNA 68 



Figure 58. — An immature Glaucous-winged Gull waits expectantly for fish 

 scraps discarded by a feeding sea otter. Groups of two or three gulls sitting 

 together on the surface in the Aleutian area usually indicated the location 

 of a sea otter feeding on fish. While the otter was beneath the surface 

 the gulls waited near the location where they expected it would emerge 

 from a food-gathering dive. (KWK 57-31-2) 



ment at Amchitka or that any interspecific strife existed. Perhaps 

 in periods of food scarcity, survival of gulls is enhanced through 

 their utilization of the otters' discarded food scraps. 



