XII 



CONTENTS 



Page 



11. Volume and classification of food found in 309 sea 



otter stomachs from Amchitka Island, Alaska 110 



12. Sea otter stomachs examined 114 



13. Frequency of occurence of food species in 309 sea otter 



stomachs from Amchitka Island, Alaska 116 



14. Stomach contents of two male sea otters from 



Simeonof Island, Shumagin Islands, Alaska 122 



15. Stomach contents of three sea otters taken in 15-20 



fathoms of water in the Bering Sea 123 



1.6. Analysis of 422 fecal samples from Amchitka 



Island February to April 1959 124 



17. Analysis of 75 fecal samples from the Shumagin Islands 126 



18. Proximate analysis of important sea otter food 



species (averages) 127 



19. Summary of sea otters observed and estimated in Alaska 140 



20. Summary of aerial surveys of sea otters, 1957-65 141 



21. Rat Islands group, sea otter population density, 



estimated from aerial survey counts, 19 May 



1959 and 2-3 May 1965 150 



22. Rat Island sea otter population density in 30 square 



miles of feeding habitat 151 



23. Amchitka Island sea otter population density in 110 



square miles of feeding habitat 153 



24. Delarof Island sea otter population density estimated 



from aerial survey counts of 26 May 



1959 and 2-3 May 1965 159 



25. Andreanof Islands counts and estimate of sea otters 



obtained on three aerial surveys to show movement 



of otters 162 



26. Tanaga Island sea otter population density in 83 



square miles of feeding habitat 163 



27. Kanaga Island sea otter population density in 95 



square miles of feeding habitat 164 



28. Adak Island sea otter population density in 75 



square miles of feeding habitat 166 



29. Kagalaska Island sea otter population density in 



15 square miles of feeding habitat 166 



30. Numbers of sea otters observed and estimated 



population in the Fox Islands group 171 



31. Numbers of sea otters observed and estimated 



population in the Sanak Islands and Sandman 



Reefs areas 175 



32. Numbers of sea otters observed and estimated 



population in the Shumagin Islands 177 



33. Numbers of sea otters observed and estimated 



population along the Alaska Peninsula 178 



34. Numbers of sea otters observed and estimated 



population in the Kodiak Islands 179 



35. Numbers of sea otters observed and estimated 



population in the Kenai Peninsula, Prince 



William Sound, and Kayak Island areas 180 



