PACIFIC FLYWAY 
Winter Trend Data - Pacific Flyway 
I. Weather conditions during the winter survey period varied 
considerably in different sections of the Flyway. In the northern sector, 
mild conditions prevailed and waterfowl were more widely dispersed than 
usual, In the Pacific Flyway States, survey conditions were adverse in 
Washington, Oregon, Nevada, and were such as to delay the surveys in 
Montana and Idaho. California conditions were average to good and 
permitted adequate coverage, including the taking of aerial photographs 
in concentration areas, Weather conditions along the West Coast of 
Mexico were satisfactory but water levels extremely low, 
2. Percent Change in Pacific Flyway (continental) Population Index 
Figures for Ducks, Geese, Brant, Swan, and Coot (from 1952 to 1953 
(Comparable coverage) 
Area Ducks | Geese Brant Swan Coot Total 
Alaska + 11,0 - 2.2 = +173, 0 a + 10,4 
Canada * + 12,2 + 90.6 - 92.0 + 9,0 +546,4 + 18.1 
Pacific Flyway 
States + 31.8 + 4.4 + 5,1 + 42,1 + 65,1 + 29.8 
Mexico, West 
Coast - 48.6 - 69,5 - 13.4 ~ - 63,3 - 52,9 
Total + 10.5 + 3.9 - 7.6 + 41.0 + 53,0 + 12.2 
* British Columbia and Alberta 
