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Checklist S45995745

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Thu May 24, 2018 7:30 AM
Protocol:
Traveling
Party Size:
2
Duration:
2 hour(s), 40 minute(s)
Distance:
2.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind WSW, light to moderate, overcast, 12C/53F. 30 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 2 River Otters in the main lagoon and 1 Harbor Seal offshore
Species
59 species total
4
Mallard

Plus brood of 2 & 3

87
Surf Scoter

86 on the ocean off Rodeo Beach plus a male on the main lagoon

ML101836211

© William Legge

Surf Scoter (male) - Rodeo Lagoon, Marin, California, USA - May 24, 2018

Age:
Immature
Sex:
Male
1
White-winged Scoter

1st year male with Surf Scoters off Rodeo Beach. Presumably the individual seen a week or so ago at the same location. Left north with a small group of Surf Scoters

3
California Quail
42
Western Grebe

On the ocean off Rodeo Beach

1
Clark's Grebe

On the ocean with Western Grebes

9
Anna's Hummingbird
1
Black Oystercatcher

On nest on Bird Island

Breeding Code
ON Occupied Nest (Confirmed)
1
Spotted Sandpiper

Feeding in the main lagoon outlet channel with spots!

45
Common Murre

40+ flew N offshore, 2 on the ocean and 3 on Bird Island

1
Pigeon Guillemot

On the ocean off Rodeo Beach

30
Western Gull
12
California Gull

10 flew S along the coastline and 2 on the ocean

8
Red-throated Loon

6 on the ocean off Rodeo Beach, 1 flew N offshore and 1 (in breeding plumage) on the main lagoon.

ML101834971

© William Legge

Age:
Adult
Sex:
Sex Unknown
2
Pacific Loon

Flew N offshore

1
Common Loon

On the ocean off Rodeo Beach

11
Brandt's Cormorant

Flew S offshore

2
Pelagic Cormorant

In flight offshore

2
Double-crested Cormorant

Main lagoon

22
Brown Pelican

8 on Bird Island, 11 flew N and 3 S offshore

2
Great Blue Heron
1
Great Egret
6
Snowy Egret
2
Black-crowned Night-Heron

Present with one circling up and leaving S over the Headlands

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 2
2
Turkey Vulture
1
Osprey

Flew over E high with fish in talons - probably a local SF Bay bird returning from the ocean with catch versus a migrant

1
Red-tailed Hawk
1
Northern Flicker (Red-shafted)
1
Black Phoebe
1
Hutton's Vireo
3
California Scrub-Jay
1
American Crow
4
Common Raven
1
Northern Rough-winged Swallow
3
Barn Swallow
4
Cliff Swallow
3
Chestnut-backed Chickadee
2
Bushtit
3
Bewick's Wren
12
Wrentit
3
Western Bluebird

Including the pair at the Fire Station carrying food to an out-of-sight nest

Breeding Code
CF Carrying Food (Confirmed)
9
Swainson's Thrush
Breeding Code
M Multiple (7+) Singing Males (Probable)
3
American Robin
12
European Starling
4
Cedar Waxwing
3
House Finch
12
Purple Finch
10
American Goldfinch
1
Dark-eyed Junco (Oregon)
4
White-crowned Sparrow
14
Song Sparrow
1
California Towhee
3
Spotted Towhee
3
Red-winged Blackbird (California Bicolored)
1
Brown-headed Cowbird
4
Common Yellowthroat
1
Yellow Warbler

Seen briefly in the South Willows

9
Wilson's Warbler
1
Black-headed Grosbeak

Male heard in song only

 

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

Yes