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Table 1. Reconstructed time series of regional abundance for the Cerulean Warbler in the United States.
| YEAR | BCR29 | BCR28 | BCR25 | BCR24 | BCR23 | BCR22 | BCR13 | Survey-wide |
|---|---|---|---|---|---|---|---|---|
| 1966 | 2879.0 | 985830.2 | 154114.9 | 174414.7 | 37550.6 | 37860.6 | 49395.9 | 1365935.6 |
| 1967 | 3327.9 | 879475.3 | 147598.8 | 171807.2 | 37110.5 | 27281.1 | 48662.3 | 1223530.7 |
| 1968 | 3098.7 | 997195.3 | 137555.6 | 166006.3 | 36227.1 | 25813.8 | 47311.3 | 1325883.0 |
| 1969 | 2822.8 | 986090.8 | 72095.6 | 159501.9 | 32179.6 | 40497.4 | 46408.4 | 1283967.3 |
| 1970 | 2644.2 | 1064193.6 | 68419.1 | 152099.8 | 31577.4 | 21540.4 | 45888.4 | 1331935.5 |
| 1971 | 2469.5 | 956771.8 | 68090.3 | 144636.3 | 29615.9 | 19486.8 | 44525.3 | 1213042.9 |
| 1972 | 2659.8 | 924887.1 | 59242.8 | 141520.1 | 27330.5 | 18217.1 | 43559.7 | 1172557.9 |
| 1973 | 2465.2 | 876192.7 | 39724.3 | 132024.6 | 26487.8 | 18003.2 | 41782.9 | 1103628.5 |
| 1974 | 2354.5 | 787737.2 | 32670.2 | 128507.2 | 24350.9 | 16843.7 | 38711.6 | 1004883.6 |
| 1975 | 2401.9 | 738949.8 | 27986.4 | 124758.7 | 23994.2 | 14831.0 | 37011.4 | 944715.5 |
| 1976 | 2316.3 | 863952.7 | 23066.4 | 120960.6 | 23626.6 | 13566.3 | 36201.7 | 1058190.6 |
| 1977 | 2487.5 | 716010.8 | 19013.3 | 117478.4 | 23509.4 | 12680.9 | 34912.6 | 908093.4 |
| 1978 | 2232.9 | 619877.4 | 18122.6 | 110401.3 | 20054.2 | 11633.4 | 33121.7 | 799484.4 |
| 1979 | 2355.4 | 675108.8 | 13510.5 | 106411.0 | 19084.4 | 17823.8 | 33244.1 | 851653.3 |
| 1980 | 2243.2 | 591633.9 | 11286.6 | 106045.0 | 18335.7 | 11191.8 | 33112.5 | 764264.2 |
| 1981 | 2097.6 | 607967.9 | 9451.3 | 100003.2 | 18112.1 | 9173.7 | 31181.3 | 767281.6 |
| 1982 | 2142.2 | 514101.2 | 7912.0 | 98709.8 | 18767.2 | 11337.9 | 31414.9 | 678256.0 |
| 1983 | 2274.0 | 627813.7 | 6635.7 | 93913.2 | 16634.4 | 10657.3 | 28059.6 | 775552.5 |
| 1984 | 2775.1 | 546110.3 | 5499.8 | 90093.9 | 14599.7 | 8556.8 | 27642.2 | 690340.1 |
| 1985 | 2092.1 | 569129.6 | 4639.0 | 88321.3 | 14538.9 | 7784.7 | 26836.0 | 705632.9 |
| 1986 | 2123.5 | 530863.2 | 3852.9 | 85798.2 | 13850.6 | 9252.0 | 26646.5 | 666951.6 |
| 1987 | 2342.2 | 510878.5 | 3840.9 | 80922.0 | 13242.4 | 6672.5 | 27216.8 | 639460.5 |
| 1988 | 1936.9 | 520344.1 | 2673.7 | 81160.0 | 13487.8 | 14132.2 | 26941.7 | 654750.1 |
| 1989 | 2248.2 | 496513.4 | 2190.1 | 76895.2 | 12861.1 | 9056.7 | 25982.2 | 621192.1 |
| 1990 | 2233.5 | 506646.0 | 2177.5 | 77657.9 | 12022.5 | 13909.6 | 24076.8 | 633009.4 |
| 1991 | 1975.7 | 474933.2 | 1542.3 | 70944.1 | 11612.2 | 5973.3 | 25379.8 | 590704.6 |
| 1992 | 1957.7 | 467387.9 | 1285.3 | 69713.0 | 10142.6 | 5632.8 | 24910.4 | 577046.7 |
| 1993 | 1975.7 | 432442.4 | 1075.8 | 71090.1 | 10292.4 | 5283.6 | 27822.2 | 549666.5 |
| 1994 | 2215.0 | 408693.9 | 893.7 | 67941.7 | 9613.4 | 4806.5 | 26078.1 | 524316.8 |
| 1995 | 1990 | 445174 | 900 | 64542 | 9854 | 4664 | 23619 | 560000 |
| 1996 | 1940.0 | 489921.9 | 621.7 | 62982.7 | 9930.8 | 4467.3 | 22989.7 | 590341.3 |
| 1997 | 2156.7 | 429632.4 | 515.3 | 62657.4 | 9369.0 | 3678.8 | 25680.8 | 540079.0 |
| 1998 | 1932.3 | 369321.6 | 431.6 | 59142.6 | 8203.8 | 5407.4 | 22189.0 | 466786.7 |
| 1999 | 1889.0 | 317250.2 | 359.6 | 57930.0 | 8078.5 | 3311.5 | 21956.6 | 419557.9 |
| 2000 | 1835.7 | 318387.1 | 302.2 | 56243.3 | 7784.5 | 3114.8 | 21310.2 | 412438.0 |
| 2001 | 1838.5 | 313830.0 | 247.5 | 54460.4 | 7878.1 | 3082.9 | 20920.8 | 406499.6 |
| 2002 | 2167.3 | 318073.7 | 207.7 | 52709.9 | 7253.6 | 3123.4 | 21728.5 | 409745.3 |
| 2003 | 2194.4 | 357751.7 | 171.6 | 53636.4 | 6971.5 | 2849.4 | 21948.3 | 451212.6 |
| 2004 | 2150.6 | 328832.7 | 142.3 | 49439.4 | 7503.7 | 2670.0 | 22533.0 | 417685.1 |
| 2005 | 1915.4 | 296880.4 | 117.5 | 50754.1 | 7385.6 | 2663.6 | 24043.8 | 390954.4 |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.umesc.usgs.gov/terrestrial/migratory_birds/bird_conservation/cerulean_warbler-table1.html
Page Contact Information: Contacting the Upper Midwest Environmental Sciences Center
Page Last Modified:
October 2, 2007
