Table 1.
Adult Piping Plovers recorded in the 1991, 1996, and 2001 international breeding census (from Haig et al. in press)
| Adults | % Change | % Change | ||||
| State/Province | 1991 | 1996 | 2001 | (1991-2001) | (1996-2001) | |
| Prairie Canada | 1437 | 1687 | 972 | -32.4 | -42.4 | |
| U.S. Northern Great Plains | 2032 | 1599 | 1981 | -2.5 | 23.9 | |
| Total Plains/Prairie | 3469 | 3286 | 2953 | -14.9 | -10.1 | |
| Great Lakes | 40 | 48 | 72 | 80.0 | 50.0 | |
| Atlantic Canada | 509 | 422 | 481 | -5.5 | 14.0 | |
| U.S. Atlantic | 1462 | 2169 | 2430 | 66.2 | 12.0 | |
| Total Atlantic | 1645 | 2597 | 2920 | 77.5 | 12.4 | |
| Total U.S. | 3534 | 3815 | 4482 | 26.8 | 17.5 | |
| Total Canada | 1946 | 2110 | 1454 | -25.3 | -31.1 | |
| France | 4 | 6 | 9 | 125.0 | 50.0 | |
| Total Piping Plovers | 5484 | 5931 | 5945 | 8.4 | 0.2 | |