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HawkWatch Summary for 2001* |
| SPECIES |
SIGHTINGS
|
SIGHTINGS
|
HAWKS/HOUR
|
HAWKS/HOUR
|
|---|---|---|---|---|
|
2001
to date |
Avg to date
1992 - 2000 |
2001
to date |
Avg to date
1992-2000 |
|
| Turkey Vulture | 8307 |
5324
|
18.63
|
10.82
|
| Osprey | 71 |
67
|
0.16
|
0.14
|
| White-tailed Kite | 86 |
35
|
0.19
|
0.07
|
| Bald Eagle | 4 |
0
|
< 0.01
|
< 0.01
|
| Northern Harrier | 698 |
581
|
1.57
|
1.18
|
| Sharp-shinned Hawk | 3373 |
3762
|
7.57
|
7.65
|
| Cooper's Hawk | 1815 |
1973
|
4.07
|
4.01
|
| Northern Goshawk | 2 |
1
|
< 0.01
|
< 0.01
|
| Red-Shouldered Hawk | 485 |
210
|
1.09
|
0.43
|
| Broad-winged Hawk | 89 |
107
|
0.20
|
0.22
|
| Swainson's Hawk | 5 |
3
|
0.01
|
< 0.01
|
| Red-tailed Hawk | 8353 |
6839
|
18.73
|
13.90
|
| Ferruginous Hawk | 18 |
18
|
0.04
|
0.04
|
| Rough-legged Hawk | 5 |
7
|
0.01
|
0.01
|
| Golden Eagle | 22 |
16
|
0.05
|
0.03
|
| American Kestrel | 580 |
522
|
1.24
|
1.09
|
| Merlin | 150 |
103
|
0.34
|
0.21
|
| Peregrine Falcon | 134 |
75
|
0.30
|
0.15
|
| Prairie Falcon | 5 |
5
|
0.01
|
0.01
|
| Unidentified Raptor | 1158 |
1592
|
2.60
|
3.24
|
| Total Hours | 446 |
492
|
||
| Total Raptors | 25360 |
21241
|
56.88
|
43.18
|
Data for all years through 12/20
If you want to learn more about being a GGRO volunteer, visit our Volunteers link or contact the GGRO.
Contact the GGRO:
Mail:
Golden Gate Raptor Observatory
Building 201, Fort Mason
San Francisco, CA 94123
Phone:
(415) 331-0730
E-mail address:
ggro@parksconservancy.org
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