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|
Raptor-sightings in the Marin Headlands During Autumn 2004* |
| SPECIES |
2004 Raptor Rate
Hawks/Hour |
2004 Raptor Sightings
|
Past 10-Year Average 1994-2003
|
|---|---|---|---|
|
|
|
|
|
| Hours | 536 | 521 | |
| Turkey Vulture | 19.12 |
10,250
|
8,333
|
| Osprey | 0.24 |
128
|
90
|
| White-tailed Kite | 0.38 |
204
|
57
|
| Bald Eagle | <0.01 |
3
|
3
|
| Northern Harrier | 1.79 |
960
|
828
|
| Sharp-shinned Hawk | 6.08 |
3,260
|
3,937
|
| Cooper's Hawk | 4.59 |
2,460
|
2,423
|
| Northern Goshawk | 0 |
0
|
0
|
| Red-Shouldered Hawk | 1.02 |
548
|
334
|
| Broad-winged Hawk | 0.08 |
42
|
115
|
| Swainson's Hawk | <0.01 |
5
|
4
|
| Red-tailed Hawk | 24.82 |
13,303
|
9,167
|
| Ferruginous Hawk | 0.07 |
37
|
22
|
| Rough-legged Hawk | 0 |
0
|
8
|
| Golden Eagle | 0.04 |
22
|
20
|
| American Kestrel | 1.03 |
551
|
616
|
| Merlin | 0.32 |
173
|
152
|
| Peregrine Falcon | 0.43 |
233
|
122
|
| Prairie Falcon | 0.02 |
10
|
5
|
| Unidentified Raptor | 2.75 |
1,474
|
1,809
|
|
|
|
|
|
| Total | 62.8 |
33,663
|
28,042
|
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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