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Remarkable
Analysis
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Totals (date)
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Totals Derby Hill Bird Observatory, Mexico (NY) 2025
Species
Mar
Apr
May
Totals
SW
NE
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Black Vulture
2
1
0
3
0
3
2 (
19 Mar
)
3
2
19 Mar
3 Apr
2.
Turkey Vulture
15177
17071
2897
35145
0
35145
4136 (
31 Mar
)
92
69
6 Mar
17 May
3.
Osprey
33
242
180
455
0
455
62 (
6 May
)
67
50
18 Mar
17 May
4.
Golden Eagle
50
34
3
87
0
87
9 (
13 Mar
)
41
31
3 Mar
10 May
5.
Sharp-shinned Hawk
433
2768
1059
4260
0
4260
601 (
19 Apr
)
80
60
8 Mar
17 May
6.
Cooper's Hawk
230
99
32
361
0
361
44 (
19 Mar
)
80
60
3 Mar
16 May
7.
American Goshawk
1
5
0
6
0
6
2 (
19 Apr
)
7
5
6 Mar
30 Apr
8.
Northern Harrier
193
519
146
858
0
858
70 (
19 Apr
)
88
66
4 Mar
17 May
9.
Bald Eagle
171
387
571
1129
0
1129
133 (
10 May
)
85
64
1 Mar
17 May
10.
Red-shouldered Hawk
718
82
4
804
0
804
242 (
19 Mar
)
57
43
4 Mar
10 May
11.
Broad-winged Hawk
0
37224
4451
41675
0
41675
19642 (
19 Apr
)
40
30
10 Apr
17 May
12.
Swainson's Hawk
0
1
0
1
0
1
1 (
12 Apr
)
1
1
12 Apr
12 Apr
13.
Red-tailed Hawk
1115
1108
233
2456
0
2456
262 (
19 Mar
)
84
63
1 Mar
16 May
14.
Rough-legged Buzzard
49
15
2
66
0
66
10 (
19 Mar
)
35
26
2 Mar
14 May
15.
American Kestrel
110
341
33
484
0
484
86 (
18 Apr
)
65
49
10 Mar
17 May
16.
Merlin
16
47
14
77
0
77
8 (
21 Apr
)
48
36
9 Mar
17 May
17.
Peregrine
5
11
8
24
0
24
3 (
15 May
)
25
19
10 Mar
15 May
Species
Mar
Apr
May
Totals
SW
NE
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
18303
59955
9633
87891
0
87891
100
75
Observation hours
235:00
257:15
116:30
608:45
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