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Checklist S41331920

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Tue Dec 26, 2017 7:20 AM
Protocol:
Traveling
Party Size:
2
Duration:
2 hour(s), 55 minute(s)
Distance:
2.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind E, light, shifting W, clear and sunny with temperatures rising to 13C/55F. 20 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 3 River Otters in the main lagoon, 1 Coyote at Miwok Trailhead and 1+ Harbor Seal and 1 Harbor Porpoise offshore. Noticeable influx of Bufflehead, Common Goldeneye, Hooded Mergansers and Fox Sparrows!
Species
58 species total
4
Mallard
25
Ring-necked Duck

Main lagoon

4
Surf Scoter

3 on ocean off Rodeo Beach and 1 flew S offshore

83
Bufflehead

Main lagoon. Noticeable influx over the last few days and this is the largest count we have ever had at the lagoon! (Previous highest count of 72 in Dec. 2001). Included only 3 adult males

11
Common Goldeneye

Main lagoon. Including four 1st winter males.

11
Hooded Merganser

Main lagoon. Possibly a 12th bird present. 4 Adult males. High count for this location.

10
Ruddy Duck

All females/1st winters on the main lagoon

7
Pied-billed Grebe

Main lagoon

2
Eared Grebe

Main lagoon

27
Western Grebe

On the ocean off Rodeo Lagoon

5
Anna's Hummingbird
8
American Coot

Main lagoon

3
Killdeer
1
Wilson's Snipe

Main lagoon outlet channel

1
Greater Yellowlegs

Main lagoon outlet channel

1
Common Murre

On the ocean off Rodeo Beach

2
Mew Gull (American)

Adults on the ocean off Rodeo Beach

20
Western Gull
2
California Gull

Including a 1st winter briefly visiting the main lagoon

10
Iceland Gull (Thayer's)

8 on Bird Island and 2 flew over SE

16
Glaucous-winged Gull

6 on Bird Island and 10 flew over SE

2
Red-throated Loon

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

1
Pacific Loon

Main lagoon

124
Brandt's Cormorant

Flew S offshore in 20 minutes of sea watching.

4
Double-crested Cormorant

3 on the main lagoon and 1 on the ocean off Rodeo Beach

1
Brown Pelican

Flew N offshore

5
Great Egret
3
Snowy Egret
1
Northern Harrier

Female/1st winter heading S overhead

Breeding Code
F Flyover (Observed)
1
Cooper's Hawk

1st winter

2
Red-tailed Hawk
2
Northern Flicker (Red-shafted)
2
American Kestrel
5
Black Phoebe
1
California Scrub-Jay
1
American Crow
5
Common Raven
10
Chestnut-backed Chickadee
2
Marsh Wren
3
Bewick's Wren
5
Ruby-crowned Kinglet
8
Wrentit
5
Hermit Thrush
2
American Robin
4
European Starling
4
House Finch
2
Purple Finch
14
Fox Sparrow (Sooty)

Noticeable influx

2
Dark-eyed Junco (Oregon)
68
White-crowned Sparrow
4
Golden-crowned Sparrow
11
Song Sparrow
1
Swamp Sparrow

Seen briefly on aquatic vegetation at the western end of the inner lagoon (viewed from Bunker Road) at the weir

2
California Towhee
5
Spotted Towhee
5
Brewer's Blackbird
4
Common Yellowthroat
3
Yellow-rumped Warbler (Audubon's)
 

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

Yes