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Wildlife & Habitat
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American White Pelican Surveys
Chase Lake NWR, American White Pelican Colony Nesting Effort, 1972 - 2003
| Year | Small Island #1 | Large Island #2 | Peninsula Island #3 | SE Shore #4 | Mainland SE Shore #5 | SE Shore #6 | Mainland NW Shore #7 | Total | Number of Breeding Birds | Date of Census |
| 1972 | 1,567 | 3,260 | | | | | | 4,827 | 9,654 | 28-May |
| 1973 | 1,880 | 2,031 | | | | | | 3,911 | 7,822 | 27-May |
| 1974 | 1,891 | 1,191 | | | | | | 3,082 | 6,164 | 25-May |
| 1975 | 2,456 | 1,765 | | | | | | 4,221 | 8,442 | 24-May |
| 1976 | 1,849 | 2,906 | | | | | | 4,755 | 9,510 | 31-May |
| 1977 | 931 | 3,688 | | | | | | 4,619 | 9,238 | 29-May |
| 1978 | 659 | 3,930 | | | | | | 4,589 | 9,178 | 2-Jun |
| 1979 | 383 | 3,668 | | | | | | 4,051 | 8,102 | 30-May |
| 1980 | 1,371 | 4,771 | | | | | | 6,142 | 12,284 | 3-Jun |
| 1981 | 1,544 | 4,282 | | | | | | 5,826 | 11,652 | 3-Jun |
| 1982 | 1,389 | 3,879 | | | | | | 5,268 | 10,536 | 1-Jun |
| 1983 | 2,253 | 3,039 | | | | | | 5,292 | 10,584 | 14-Jun |
| 1984 | 1,331 | 2,590 | | | | | | 3,921 | 7,842 | 25-Jun |
| 1985 | | | | | | | | No Survey Conducted |
| 1986 | 2,087 | 2,908 | | | | | | 4,995 | 9,990 | ? |
| 1987 | 1,856 | 5,283 | | | | | | 7,139 | 14,278 | ? |
| 1988 | 3,100 | 5,540 | | | | | | 8,640 | 17,280 | ? |
| 1989 | 2,313 | 4,316 | | | | | | 6,629 | 13,258 | ? |
| 1990 | 1,824 | 3,960 | | | | | | 5,784 | 11,568 | ? |
| 1991 | | | | | | | | No Survey Conducted |
| 1992 | 2,564 | 3,412 | | | | | | 5,976 | 11,952 | 5-Jun |
| 1993 | 3,472 | 5,081 | | | | | | 8,553 | 17,106 | 26-May |
| 1994 | 4,308 | 4,237 | | | | | | 8,545 | 17,090 | 27-May |
| 1995 | 1,797 | 3,888 | 3,495 | | | | | 9,180 | 18,360 | 2-Jun |
| 1996 | 585 | 539 | 8,657 | | | | | 9,781 | 19,562 | 5-Jun |
| 1997 | 38 | 0 | 9,144 | | | | | 9,182 | 18,364 | 5-Jun |
| 1998 | 61 | 0 | 7,755 | | 4,465 | | | 12,281 | 24,562 | 11-Jun |
| 1999 | 0 | 3 | 1,474 | | | | 13,318 | 14,795 | 29,590 | 2-Jun |
| 2000 | 0 | 0 | 3,073 | | 2,937 | | 11,723 | 17,733 | 35,466 | 2-Jun |
| 2001 | 0 | 0 | 2,187 | 338 | | | 12,371 | 14,896 | 29,792 | 31-May |
| 2002 | 0 | 0 | 3,939 | 1,491 | | 792 | 10,661 | 16,883 | 33,766 | 28-May |
| 2003 | 0 | 0 | 1,653 |
429 |
| 6,546 | 6,119 | 14,747 | 29,494 | 8-June |
| 2005 |
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1,682 |
153 |
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7,590 | |
9,425 |
18,850 |
31-May |
| 2006 |
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3,202 | |
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14,100 | |
17,302 |
34,604 |
30-May |
| 2007 |
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1,157 |
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10,105 |
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11,262 |
22,524 |
6-June |
Download the Data in Adobe pdf Format
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Download the survey data as a pdf file (27 KB)
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