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|
Raptors Banded in the Marin Headlands during Autumn* |
|
2002 |
Average
1992-2001** |
Totals
1983-2002 |
|||||||||
| Northern Harrier |
47
|
9
|
193
|
||||||||
| Sharp-shinned Hawk |
508
|
387
|
4903
|
||||||||
| Cooper's Hawk |
602
|
493
|
6796
|
||||||||
| Northern Goshawk |
0
|
0
|
4
|
||||||||
| Red-Shouldered Hawk |
39
|
10
|
182
|
||||||||
| Broad-winged Hawk |
0
|
1
|
13
|
||||||||
| Swainson's Hawk |
1
|
0
|
3
|
||||||||
| Red-tailed Hawk |
440
|
340
|
5832
|
||||||||
| Ferruginous Hawk |
0
|
0
|
2
|
||||||||
| Rough-legged Hawk |
0
|
0
|
3
|
||||||||
| Golden Eagle |
0
|
0
|
2
|
||||||||
| American Kestrel |
61
|
46
|
631
|
||||||||
| Merlin |
21
|
14
|
174
|
||||||||
| Peregrine Falcon |
1
|
4
|
41
|
||||||||
| Prairie Falcon |
3
|
1
|
17
|
||||||||
|
|
|
|
|
||||||||
| Total |
1782
|
1306
|
18,796
|
*Not to be cited except by permission of the GGRO. 2002 data are preliminary,
and only through January 1, 2003.
**1992 through 2001 are used for this comparison due to similarity of
methods and effort between those years and 2002.
This is an excerpt from the Golden Gate Raptor Observatory Season Summary for 2002. If you would like to receive a copy, contact the Golden Gate Raptor Observatory at 415-331-0730. E-mail the Golden Gate Raptor Observatory at ggro@parksconservancy.org
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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