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|
HawkWatch Summary for 2002* |
| SPECIES |
SIGHTINGS
|
SIGHTINGS
|
HAWKS/HOUR
|
HAWKS/HOUR
|
|---|---|---|---|---|
|
2002
to date |
Avg to date
1989 - 2001 |
2002
to date |
Avg to date
1989-2001 |
|
|
|
|
|
|
|
| Turkey Vulture | 11046 |
4785
|
21.10
|
10.97
|
| Osprey | 106 |
61
|
0.20
|
0.14
|
| White-tailed Kite | 79 |
32
|
0.15
|
0.07
|
| Bald Eagle | 4 |
0
|
< 0.01
|
< 0.01
|
| Northern Harrier | 1318 |
516
|
2.52
|
1.18
|
| Sharp-shinned Hawk | 5844 |
3467
|
11.16
|
7.95
|
| Cooper's Hawk | 2769 |
1819
|
5.29
|
4.17
|
| Northern Goshawk | 0 |
1
|
< 0.01
|
< 0.01
|
| Red-Shouldered Hawk | 677 |
193
|
1.29
|
0.44
|
| Broad-winged Hawk | 180 |
98
|
0.34
|
0.23
|
| Swainson's Hawk | 9 |
3
|
0.02
|
< 0.01
|
| Red-tailed Hawk | 12194 |
6136
|
23.29
|
14.06
|
| Ferruginous Hawk | 34 |
16
|
0.06
|
0.04
|
| Rough-legged Hawk | 12 |
6
|
0.02
|
0.01
|
| Golden Eagle | 21 |
14
|
0.04
|
0.03
|
| American Kestrel | 670 |
467
|
1.28
|
1.07
|
| Merlin | 208 |
95
|
0.40
|
0.22
|
| Peregrine Falcon | 105 |
66
|
0.20
|
0.15
|
| Prairie Falcon | 12 |
5
|
0.02
|
0.01
|
| Unidentified Raptor | 1358 |
1457
|
2.59
|
3.34
|
|
|
|
|
||
| Total Hours | 524 |
436
|
||
|
|
|
|
||
| Total Raptors | 36646 |
19238
|
69.93
|
44.09
|
Data for all years through 12/08
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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