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Remarkable
Analysis
Phenology
Record counts
Graph
Graph (combo)
Migration pattern (map)
Totals (date)
Totals (species)
Totals (species x migration site)
Totals by year (species)
Observation hours graph
Observation hours
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Contacts
Totals Rodeo Lagoon Seawatch (CA) 2025
Year
all years
2026
2025
2024
2023
2022
2021
2020
2019
Period
january
february
march
april
may
june
july
august
september
october
november
december
all months
spring
autumn
jan, feb & mar
feb, mar & apr
mar, apr & may
apr, may & jun
may, jun & jul
jun, jul & aug
jul, aug & sep
aug, sep & oct
sep, oct & nov
oct, nov & dec
jan & feb
feb & mar
mar & apr
apr & may
may & jun
jun & jul
jul & aug
aug & sep
sep & oct
oct & nov
nov & dec
dec & jan
count-field
both directions
number N
number S
Also present
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Black Brant
444
0
0
0
0
0
0
0
444
0
444
435 (
15 Apr
)
13
3
10 Apr
15 Apr
2.
Canada Goose
5
0
0
0
0
0
0
0
5
5
0
3 (
10 Apr
)
8
2
10 Apr
11 Apr
3.
Lesser Canada Goose
0
0
0
0
0
0
5
0
5
0
5
5 (
18 Oct
)
4
1
18 Oct
18 Oct
4.
Shoveler
0
0
0
0
0
0
4
0
4
4
0
2 (
24 Oct
)
8
2
24 Oct
30 Oct
5.
Scaup
0
0
0
0
0
0
43
0
43
34
9
28 (
31 Oct
)
8
2
30 Oct
31 Oct
6.
Greater / Lesser Scaup
0
0
0
0
0
0
81
0
81
73
8
77 (
12 Oct
)
13
3
12 Oct
29 Oct
7.
Surf Scoter
1902
0
0
0
0
0
1103
3
3008
1077
1931
1835 (
15 Apr
)
79
19
10 Apr
1 Nov
8.
White-winged Scoter
2
0
0
0
0
0
1
0
3
1
2
2 (
15 Apr
)
8
2
15 Apr
30 Oct
9.
Bufflehead
0
0
0
0
0
0
3
0
3
3
0
3 (
29 Oct
)
4
1
29 Oct
29 Oct
10.
Red-breasted Merganser
1
0
0
0
0
0
0
0
1
0
1
1 (
10 Apr
)
4
1
10 Apr
10 Apr
11.
Vaux's Swift
0
0
0
0
0
0
169
0
169
169
0
151 (
7 Oct
)
17
4
7 Oct
18 Oct
12.
Band-tailed Pigeon
0
0
0
0
0
0
2729
0
2729
2729
0
680 (
20 Oct
)
42
10
7 Oct
29 Oct
13.
Collared Dove
3
0
0
0
0
0
0
0
3
0
3
3 (
5 Apr
)
4
1
5 Apr
5 Apr
14.
Black-necked Grebe
0
0
0
0
0
0
9
0
9
0
9
9 (
9 Oct
)
4
1
9 Oct
9 Oct
15.
Black Oystercatcher
0
0
0
0
0
0
1
0
1
1
0
1 (
22 Oct
)
4
1
22 Oct
22 Oct
16.
Hudsonian Whimbrel
53
0
0
0
0
0
7
0
60
6
54
29 (
5 Apr
)
42
10
5 Apr
30 Oct
17.
Long-billed Curlew
99
0
0
0
0
0
11
0
110
10
100
66 (
10 Apr
)
50
12
5 Apr
26 Oct
18.
Marbled Godwit
0
0
0
0
0
0
1
0
1
1
0
1 (
30 Oct
)
4
1
30 Oct
30 Oct
19.
Willet (Western)
0
0
0
0
0
0
1
0
1
1
0
1 (
19 Oct
)
4
1
19 Oct
19 Oct
20.
Greater Yellowlegs
0
0
0
0
0
0
1
0
1
1
0
1 (
20 Oct
)
4
1
20 Oct
20 Oct
21.
Sanderling
0
0
0
0
0
0
3
0
3
3
0
3 (
19 Oct
)
4
1
19 Oct
19 Oct
22.
Caspian Tern
59
0
0
0
0
0
2
0
61
4
57
30 (
15 Apr
)
21
5
5 Apr
21 Oct
23.
Elegant Tern
480
0
0
0
0
0
413
0
893
125
768
175 (
22 Oct
)
46
11
10 Apr
29 Oct
24.
Bonaparte's Gull
0
0
0
0
0
0
14
0
14
14
0
13 (
30 Oct
)
8
2
30 Oct
31 Oct
25.
Heermann's Gull
0
0
0
0
0
0
275
69
344
336
8
69 (
1 Nov
)
58
14
11 Oct
1 Nov
26.
Short-billed Gull
1
0
0
0
0
0
51
21
73
72
1
21 (
1 Nov
)
63
15
10 Apr
1 Nov
27.
Ring-billed Gull
0
0
0
0
0
0
22
1
23
23
0
5 (
19 Oct
)
50
12
7 Oct
1 Nov
28.
Western Gull
8
0
0
0
0
0
188
6
202
194
8
27 (
25 Oct
)
88
21
10 Apr
1 Nov
29.
California Gull
12
0
0
0
0
0
758
84
854
850
4
150 (
19 Oct
)
92
22
5 Apr
1 Nov
30.
American Herring Gull
1
0
0
0
0
0
58
3
62
61
1
16 (
30 Oct
)
58
14
15 Apr
1 Nov
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
31.
Glaucous-winged Gull
5
0
0
0
0
0
43
1
49
44
5
6 (
20 Oct
)
71
17
5 Apr
1 Nov
32.
Thayer's Gull
0
0
0
0
0
0
9
1
10
10
0
4 (
15 Oct
)
21
5
15 Oct
1 Nov
33.
Arctic Skua
0
0
0
0
0
0
38
0
38
33
5
12 (
9 Oct
)
42
10
9 Oct
31 Oct
34.
Pomarine Skua
0
0
0
0
0
0
1
0
1
0
1
1 (
9 Oct
)
4
1
9 Oct
9 Oct
35.
Guillemot
170
0
0
0
0
0
5
1
176
146
30
150 (
11 Apr
)
29
7
10 Apr
1 Nov
36.
Red-throated Diver
166
0
0
0
0
0
19
3
188
33
155
63 (
15 Apr
)
58
14
5 Apr
1 Nov
37.
Pacific Loon
690
0
0
0
0
0
0
0
690
0
690
690 (
15 Apr
)
4
1
15 Apr
15 Apr
38.
Great Northern Diver
47
0
0
0
0
0
4
0
51
3
48
43 (
15 Apr
)
21
5
10 Apr
25 Oct
39.
Brandt's Cormorant
1315
0
0
0
0
0
35
0
1350
355
995
670 (
10 Apr
)
29
7
5 Apr
26 Oct
40.
Pelagic Cormorant
9
0
0
0
0
0
21
1
31
10
21
5 (
5 Apr
)
58
14
5 Apr
1 Nov
41.
Double-crested Cormorant
41
0
0
0
0
0
139
1
181
117
64
49 (
18 Oct
)
79
19
5 Apr
1 Nov
42.
Snowy Egret
16
0
0
0
0
0
1
0
17
1
16
7 (
5 Apr
)
21
5
5 Apr
24 Oct
43.
Great Blue Heron
1
0
0
0
0
0
0
0
1
0
1
1 (
15 Apr
)
4
1
15 Apr
15 Apr
44.
Brown Pelican
355
0
0
0
0
0
1982
42
2379
1084
1295
207 (
15 Apr
)
100
24
5 Apr
1 Nov
45.
Cooper's Hawk
0
0
0
0
0
0
1
0
1
1
0
1 (
20 Oct
)
4
1
20 Oct
20 Oct
46.
Northern Harrier
0
0
0
0
0
0
1
0
1
1
0
1 (
18 Oct
)
4
1
18 Oct
18 Oct
47.
Say's Phoebe
0
0
0
0
0
0
1
0
1
1
0
1 (
9 Oct
)
4
1
9 Oct
9 Oct
48.
American Crow
4
0
0
0
0
0
2
0
6
1
5
4 (
5 Apr
)
8
2
5 Apr
7 Oct
49.
Raven
0
0
0
0
0
0
12
0
12
12
0
10 (
7 Oct
)
13
3
7 Oct
10 Oct
50.
Cedar Waxwing
37
0
0
0
0
0
10
0
47
10
37
25 (
15 Apr
)
13
3
5 Apr
30 Oct
51.
Violet-green Swallow
0
0
0
0
0
0
1233
0
1233
1233
0
865 (
7 Oct
)
25
6
7 Oct
18 Oct
52.
Northern Rough-winged Swallow
1
0
0
0
0
0
0
0
1
0
1
1 (
5 Apr
)
4
1
5 Apr
5 Apr
53.
American Robin
0
0
0
0
0
0
3
0
3
3
0
3 (
31 Oct
)
4
1
31 Oct
31 Oct
54.
Lesser Goldfinch
0
0
0
0
0
0
12
0
12
12
0
12 (
17 Oct
)
4
1
17 Oct
17 Oct
55.
Pine Siskin
0
0
0
0
0
0
4
0
4
4
0
4 (
7 Oct
)
4
1
7 Oct
7 Oct
56.
Western Meadowlark
0
0
0
0
0
0
4
0
4
4
0
4 (
21 Oct
)
4
1
21 Oct
21 Oct
57.
Tricolored Blackbird
0
0
0
0
0
0
3
0
3
1
2
3 (
18 Oct
)
4
1
18 Oct
18 Oct
58.
Brown-headed Cowbird
0
0
0
0
0
0
1
0
1
1
0
1 (
17 Oct
)
4
1
17 Oct
17 Oct
59.
Myrtle Warbler
0
0
0
0
0
0
12
0
12
12
0
12 (
20 Oct
)
4
1
20 Oct
20 Oct
Other species
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
1.
Monarch
0
0
0
0
0
0
2
0
2
2
0
2 (
20 Oct
)
4
1
20 Oct
20 Oct
Species
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Totals
S
N
Maximum
Presence
(%)
Presence
(days)
First
Last
Totals
5927
0
0
0
0
0
9551
237
15715
8931
6784
100
24
Observation hours
13:40
0:00
0:00
0:00
0:00
0:00
58:40
2:30
74:50
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