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Areas of Importance
Ring-Billed Gull (RBGU)
16 Antelope Island Causeway
| Year | Mean | Peak | % of GSL Mean |
| 1997 | 963.9 | 4037 | 24% |
| 1074 | 544.1 | 1639 | 9% |
| 1999 | 394.2 | 1151 | 12% |
| 2000 | 0.0 | 0 | 0% |
| 2001 | 370.9 | 1870 | 10% |
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| Year | Mean | Peak | % of GSL Mean |
| 1997 | 963.9 | 4037 | 24% |
| 1074 | 544.1 | 1639 | 9% |
| 1999 | 394.2 | 1151 | 12% |
| 2000 | 0.0 | 0 | 0% |
| 2001 | 370.9 | 1870 | 10% |
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