Areas of Importance
Ring-Billed Gull (RBGU)
10 Crystal Lakeside
Year
Mean
Peak
% of GSL Mean
1997
0.0
0
0%
1998
183.7
1139
3%
1999
330.4
1605
10%
2000
191.6
1750
4%
2001
88.1
360
2%