San Nicolas Census Data
San Nicolas Island Census Data from 1999-2000 Season
San Nicolas Island had a total of 9,794 pups, 7,560 adult females, 667 subadult and adult males, and 2 juvenile for a grand total of 18,023. Census was taken by Mark Lowry a biologist with the Southwest National Oceanographic Atmospheric Association (NOAA). He collected the data mid-way through the breeding season in the winter (this year the census was made on February 11, 2000). This data was obtained by Aerial photographic counts using large-format color photographs, which were taken at an altitude of 800 feet from a twin engine aircraft.
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