2006 - Midwest Peregrine Falcon Restoration Project

4
Year
Hacked
Young
Table 2
PEREGRINE POPULATION GROWTH AND PRODUCTIVITY
IN THE MIDWEST, 1981-2006
Terr.
Pairs
Nest.
Pairs
Succ.
Pairs
Young
Fledged
Young/
Terr.
Pair
Young/
Nest.
Pair
Young/
Success.
Pair
1981-6 130 4 2 0 0 0 0 0
1987 78 6 4 1 3 0.5 .75 3.0
1988 90 13 8 6 16 1.2 2.0 2.7
1989 129 16 12 9 22 1.4 1.8 2.4
1990 113 23 16 13 33 1.4 2.1 2.5
1991 147 30 22 17 36 1.2 1.6 2.1
1992 112 37 32 23 68 1.8 2.1 3.0
1993 41 53 43 33 87 1.6 2.0 2.6
1994 67 62 51 41 116 1.9 2.3 2.8
1995 58 67 53 43 118 1.8 2.2 2.7
1996 26 77 58 48 127 1.6 2.2 2.6
1997 36 90 69 58 167 1.9 2.4 2.9
1998 55 99 84 74 205 2.1 2.4 2.7
1999 63 107 89 76 214 2.0 2.4 2.8
2000 32 129 101 83 243 1.9 2.4 2.9
2001 24 133 119 102 290 2.2 2.4 2.8
2002 19 144 128 106 284 2.0 2.2 2.7
2003 16 163 144 125 352 2.2 2.4 2.8
2004 7 171 153 133 376 2.2 2.5 2.8
2005 6 197 169 149 421 2.1 2.5 2.8
2006 4 210 172 153 437 2.0 2.5 2.8
Total 1253 1831 1529 1293 3615 2.0 2.4 2.8
Note: “Young fledged” includes all young surviving to first flight from nest. Falcons hacked in
Tennessee, Alabama, and Arkansas are excluded on geographic grounds. Some totals for
earlier years shown here differ from previous editions of this table as new information has
become available.