Raptors banded by banding site, fall 1999, Idaho Bird Observatory.

SPECIES 1993 1994 1995 1996 1997 1998 1999 TOTAL
Sharp-shinned Hawk 136 432 309 424 529 804 583 3217
Cooper’s Hawk 44 155 103 208 201 286 222 1219
American Kestrel 23 75 24 79 133 174 249 757
Northern Goshawk 20 35 26 33 16 36 24 190
Red-tailed Hawk 13 34 27 39 58 18 52 241
Merlin 6 12 9 19 21 20 16 103
Prairie Falcon 1 7 0 3 3 4 4 22
Northern Harrier 0 4 4 1 13 1 9 32
Broad-winged Hawk 0 0 1 0 0 0 0 1
Peregrine Falcon 0 1 0 2 2 2 1 8
Golden Eagle 0 0 1 1 3 1 4 10
Swainson’s Hawk 0 0 0 1 1 0 1 3
Red-shouldered Hawk 0 0 0 0 0 0 1 1
TOTAL 243 758 506 832 983 1419 1166 5907

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Band encounters from raptors banded on the Boise Ridge, 1993-1999, Idaho Bird Observatory.

Band Number Species/Sex Age When Banded Date Banded Date Encountered Location Status Bander/Site
1807-43564 RT AHY 09/03/93 08/14/97 Escondido, Ca. Killed by auto KB, Boise Peak
2003-16204 SSF HY 09/03/93 12/99/93 Badiraquato, Sinaloa, Mx. Shot GK, Boise Peak
2003-16215 SSF HY 09/07/93 10/05/97 Wendover, Nva Captured, released KB, Boise Peak
2003-16228 SSF AHY 09/14/93 05/15/95 Boise, Id. Found dead KB, Boise Peak
1705-06547 CHF AHY 09/18/93 05/23/97 Prince George, B.C. Found dead GK, Boise Peak
2003-48948 SSF AHY 10/01/93 05/03/95 Pendleton, Or. Found injured, rehabed KB, Boise Peak
2003-66701 AKF UNK 08/26/94 06/10/95 Merced, Ca. Nesting in box EN, Lucky Peak
2003-66745 SSF HY 09/05/94 01/16/95 Guamuchil, Sinaloa, Mx. Shot EN, Lucky Peak
2003-66798 SSF HY 09/08/94 11/19/94 Tolleson, Az. Found dead KB, Lucky Peak
2003-66770 SSF HY 09/13/94 10/07/98 Wendover, Nv.a Captured, released GK, Lucky Peak
1705-27801 CHF HY 09/16/94 12/21/94 Llano Grande, Sinaloa, Mx. Found injured, died RO, Lucky Peak
1807-56604 RT HY 09/20/94 09/30/94 Nyssa, Or. Found dead RO, Lucky Peak
1453-72932 SSF AHY 09/30/94 01/20/98 Topolobampo, Sinaloa, Mx. Unknown EJH, Boise Peak
1493-34409 SSF HY 10/08/94 11/13/94 Caldwell, Id. Hit window, died ET, Lucky Peak
1142-36186 SSM HY 10/08/94 03/17/95 Tujunga, Ca. Found dead KB, Boise Peak
1705-27832 CHF AHY 10/04/95 09/19/98 Wendover, Nv.a Captured, released MV, Lucky Peak
1493-34460 SSF HY 08/30/96 09/04/96 Wendover, Nv.a Captured, released GK, Lucky Peak
1152-01634 SSM HY 09/04/96 09/10/96 Wendover, Nv.a Captured, released RO, Boise Peak
1493-34482 AKF UNK 09/04/96 01/22/97 Boise, Id. Found dead GK, Lucky Peak
1387-82518 RT HY 09/08/96 01/21/97 Los Barriles, BCS, Mx. Shot MV, Lucky Peak
2003-80416 SSF HY 09/12/96 09/21/98 Wendover, Nv.a Captured, released GK, Lucky Peak
935-23328 CHF AHY 10/05/96 02/20/97 Las Lomas Tero, Ca. Found injured, died TB, Lucky Peak
2003-80709 SSF AHY 10/05/96 10/26/99 Lamont, Wa. Found dead TB, Lucky Peak
935-23341 CHF HY 09/22/97 10/12/98 Mazate de los Lopez, Sinaloa, Mx. Shot GK, Lucky Peak
1807-56625 RT HY 09/22/97 12/16/97 Robie Creek, Id. Captured, released RO, Boise Peak
1043-98543 SSF HY 09/30/97 01/06/98 Orderville, Ut. Found dead RO, Boise Peak
1523-60842 SSF HY 09/15/98 11/20/98 Prescott, Az. Found dead GK, Lucky Peak
935-23070 CHF HY 10/01/98 10/09/98 Wendover, Nv.a Captured, released RO, Boise Peak
1162-35087 SSM HY 10/03/98 05/99/99 Chico, Ca. Found dead LF/MDH, Boise Peak
735-38772 CHF AHY 10/06/98 10/09/98 Wendover, Nv.a Captured, released JC, Lucky Peak

a Captured for banding at Goshute Mtn. research site and released unharmed.

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Age and sex ratios of raptors banded on the Boise Ridge, 1993-1998, Idaho Bird Observatory.

SPECIES BOISE PEAK LUCKY WEST LUCKY SOUTH TOTAL
# Trap Days 64 58 40 162
Sharp-shinned Hawk 281 216 86 583
Cooper’s Hawk 85 107 30 222
American Kestrel 106 85 58 249
Northern Goshawk 13 8 3 24
Red-tailed Hawk 26 23 3 52
Merlin 10 6 0 16
Prairie Falcon 1 3 0 4
Northern Harrier 2 5 2 9
Peregrine Falcon 0 1 0 1
Golden Eagle 3 1 0 4
Swainson’s Hawk 1 1 0 1
Red-shouldered Hawk 1 0 0 1
TOTAL 528 456 182 1166


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Band encounters from raptors banded on the Boise Ridge, 1993-1999, Idaho Bird Observatory.

YEAR
N, Percent Hatch Year, Percent Male
SPECIES
1993
1994
1995
1996
1997
1998
1999
TOTALS
Sharp-shinned Hawk
136
51% HY,
46% M
432
74% HY,
43% M
309
70% HY,
51% M
424
62% HY,
39% M
529
68% HY,
39% M
804
83% HY,
42% M
583
62% HY,
41% M
3217
68% HY,
43% M
Cooper’s Hawk
44
54% HY,
11% M
155
71% HY,
39% M
103
55% HY,
44% M
208
72% HY,
46% M
201
49% HY,
65% M
286
79% HY,
45% M
222
62% HY,
36% M
1219
63% HY,
34% M
Northern Goshawk
20
70% HY,
55% M
35
89% HY,
69% M
26
92% HY,
77% M
33
88% HY,
82% M
16
75% HY,
75% M
36
94% HY,
83% M
24
96% HY,
71% M
190
85% HY,
74%M
American Kestrel
23
*,
70% M
75
*,
55% M
24
*,
42% M
79
*,
64% M
133
*,
62% M
174
*,
56% M
249
*,
59% M
757
*,
58% M
Red-tailed Hawk
13
61% HY,
**
34
88% HY,
**
27
56% HY,
**
39
92% HY,
**
58
93% HY,
**
18
94% HY,
**
52
88% HY,
**
241
81% HY,
**
* American Kestrels cannot all be aged reliably during fall.
** Red-tailed Hawks not identified to sex.

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