HIT 
Percent Departure From Average 
Plus 
Minus 
Trend in Brant, Swan and Coot Populations in Atlantic Flyway 
1949 Through 1958 (Comparable Coverage) 






fil 
£ 8 / \ 
/ 
/ 6 /-_ 
a 
ot 
frei f \ 
Ci 
TE en - 
Ave. 4 4 cn N 
| *.© / ¢A 
| of a ety 
- 20: A- / Sy 
| ff e 
WS 
4 hoy * 
| BRANT, 
f DAT eee ee ee “ s 
Years 49 55 56 of 58 
