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Checklist S44697127

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Wed Apr 18, 2018 7:35 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 35 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind WNW, light, overcast, high clouds, 13C/55F. 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, 5+ California Sea Lions (green buoy) and 1 Harbor Seal offshore.
Species
55 species total
2
Canada Goose
6
Mallard
330
Surf Scoter

On the ocean off Rodeo Beach

1
Eared Grebe

On the main lagoon - in non-breeding plumage

56
Western Grebe

Several groups on the ocean off Rodeo Beach

2
Clark's Grebe

With Western Grebes on the ocean

9
Anna's Hummingbird
1
Allen's Hummingbird
1
Virginia Rail

Heard only calling from the inner lagoon

2
Black Oystercatcher

Bird Island

20
Common Murre

Most in flight offshore and a couple on the ocean

5
Pigeon Guillemot

On the ocean off Bird Island

1
Mew Gull (American)

1st winter at the western shore of the main lagoon

35
Western Gull
2
California Gull

Over the ocean

1
Glaucous-winged Gull

1st winter at Rodeo Beach

2
Caspian Tern

A single at Rodeo Beach and 1 flew over E

2
Red-throated Loon

One non-breeding individual on the main lagoon and one in breeding plumage on the ocean just off Rodeo Beach.

120
Brandt's Cormorant

120+ on Bird Island and 1 adult circled the main lagoon briefly

7
Pelagic Cormorant

On the ocean

5
Double-crested Cormorant

4 on main lagoon and 1 flew over SE

3
Great Egret
2
Snowy Egret
2
Black-crowned Night-Heron

Adults

2
Turkey Vulture
1
Cooper's Hawk

The continuing 1st winter/2CY

1
Red-tailed Hawk
1
Northern Flicker

Heard only

1
Olive-sided Flycatcher

Heard only calling twice in quick succession east of the Headlands Visitor Center near the Art Center

2
Hutton's Vireo
2
California Scrub-Jay
4
American Crow
6
Common Raven
2
Northern Rough-winged Swallow
3
Violet-green Swallow
1
Barn Swallow
10
Cliff Swallow
1
Marsh Wren
5
Bewick's Wren
1
Ruby-crowned Kinglet
7
Wrentit
2
Western Bluebird

A pair at the dunes

6
European Starling
3
House Finch
10
Purple Finch
2
American Goldfinch
2
Dark-eyed Junco (Oregon)
1
White-crowned Sparrow
11
Song Sparrow
1
Spotted Towhee
2
Red-winged Blackbird (California Bicolored)
1
Orange-crowned Warbler

Heard singing only

3
Common Yellowthroat
3
Yellow-rumped Warbler (Audubon's)
4
Wilson's Warbler
 

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

Yes