Tabic 44. --Months of collection and number of female seals age 5 and older collected by thtt United 

 States in the eastern Pacific, 1958-66 



1/ Bering Sea and Unimak Pass connbined. 



2/ 4 less than toUl in table 4, Fiscus and Kajimura (1966). 



300 < 



AGE (YEARS) 



Figure 20. — Pregnancy rates and sample sizes, by age, 

 of female seals collected in the eastern Pacific Ocean, 

 1958-66. 



significant change in the pregnancy rate since 

 1958, 



Table 47 shows the pregnancy rates of all 

 female seals collected in the eastern Pacific 

 Ocean by the United States each year since 

 1958; these seals are also listed in table C-32 

 by number and percentage pregnant for each 

 area and month. 



FEEDING HABITS 



The stomachs of fur seals collected in the 

 eastern and western Pacific Ocean and through- 

 out the range of this animal consistently con- 

 tained a variety of fishes and cephalopods. Fur 

 seals feed principally between dusk and dawn. 



Of 374 stomachs collected off Washington in 

 November-December 1967 and January-Feb- 

 ruary 1968, 251 (67 percent) contained food 

 (table 48). Salmon, Oncorhynchus spp.; an- 

 chovy, Engraulis mordax; rockfish, Sebastodes 

 spp.; eulachon, Thaleichthys pacificus ; and 



48 



