Areas of Importance
Ring-Billed Gull (RBGU)
5a Interstate 80 North
Year
Mean
Peak
% of GSL Mean
1997
0.0
0
0%
1998
325.0
4365
5%
1999
0.0
0
0%
2000
0.0
0
0%
2001
0.5
6
0%