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Checklist S40960422

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Thu Dec 07, 2017 7:30 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Strong offshore wind (E wind), gusting to 30+mph, clear and sunny with temperatures rising to 13C/56F. 15 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 1 Coyote on the southern shore of the main lagoon. A few new wildfowl in on the main lagoon otherwise birds, and passerines in particular, were keeping out of sight given the wind. The only passage movement noted today involved Double-crested Cormorants and Pine Siskins.
Species
55 species total
4
Mallard
25
Ring-necked Duck

Exact count. My highest count at this site since Nov. 2002 (when I counted 28!).

9
Surf Scoter

Females/1st winters on the main lagoon

7
Bufflehead

All females/1st winters - main lagoon

2
Common Goldeneye

Females on the main lagoon - the first for some weeks

1
Hooded Merganser

Female in the main lagoon outlet channel

1
Red-breasted Merganser

Female/1st winter on the main lagoon

10
Ruddy Duck

Females/1st winters on the main lagoon

17
California Quail
5
Pied-billed Grebe

Main lagoon

1
Eared Grebe

Main lagoon

32
Western Grebe

30+ on the ocean and 2 on the main lagoon

1
Clark's Grebe

On the ocean with Western Gebes

3
Anna's Hummingbird
2
Virginia Rail

Heard only - singles from each lagoon

17
American Coot

Main lagoon

2
Killdeer
1
Wilson's Snipe
1
Greater Yellowlegs

Main lagoon outlet channel

4
Common Murre

3 on the ocean off Rodeo Beach and 1 flew S offshore

20
Western Gull
1
California Gull

Usual 1st winter present

1
Iceland Gull (Thayer's)

Flew through SE

17
Glaucous-winged Gull

16 on Bird Island and 1 flew through over SE

3
Red-throated Loon

On the ocean off Rodeo Beach

2
Pacific Loon

The continuing birds on the main lagoon

20
Brandt's Cormorant

Flew S offshore

1
Pelagic Cormorant

On the ocean off Rodeo Beach

29
Double-crested Cormorant

3 on the main lagoon and a single flock of 26 flew E/SE up Rodeo Valley.

Breeding Code
F Flyover (Observed)
4
Brown Pelican

Feeding well offshore

3
Great Blue Heron
5
Great Egret
3
Snowy Egret
1
Turkey Vulture
1
Northern Harrier

1st winter

1
Sharp-shinned Hawk
3
Red-tailed Hawk
3
Black Phoebe
1
California Scrub-Jay
1
American Crow
1
Marsh Wren
2
Bewick's Wren
1
Blue-gray Gnatcatcher

Working the coyote bushes adjoining the quarry on the north side of the main lagoon.

5
Ruby-crowned Kinglet
9
Wrentit
2
House Finch
45
Pine Siskin

Flocks of c. 30 & 15 flew over low E/SE - definite movement of this species today through the Marin Headlands.

Breeding Code
F Flyover (Observed)
1
Fox Sparrow (Sooty)
8
White-crowned Sparrow
3
Golden-crowned Sparrow
2
Song Sparrow
2
California Towhee
1
Spotted Towhee
6
Brewer's Blackbird
1
Common Yellowthroat
 

Are you submitting a complete checklist of the birds you were able to identify?

Yes