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Checklist S48462387

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Wed Sep 12, 2018 7:35 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 15 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind initially very light SE, quickly switching to gusting NW wind, hazy sunshine/high clouds, 14C/58F. 15 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 1 Coyote and 4+ River Otters (in the main lagoon). Colder day with less variety of passerine migrants around suggesting a bit of a clear out last night.
Species
62 species (+1 other taxa) total
2
Canada Goose

Flew N offshore

1
Cinnamon Teal

The continuing eclipse male with the Mallard flock on the main lagoon

36
Mallard
20
California Quail
1
Eared Grebe

Main lagoon

1
White-throated Swift
4
Anna's Hummingbird
1
Virginia Rail

Heard only from the inner lagoon

2
Black Oystercatcher

On rocks at Rodeo Beach

8
Red-necked Phalarope
7
Common Murre

Six on the ocean off Rodeo Beach and one on Bird Island

160
Heermann's Gull

150+ on Bird Island and 10+ flew N along the coastline

25
Western Gull
10
California Gull

Main lagoon - mostly 1st winters

3
Caspian Tern
1175
Brandt's Cormorant

1100 roosting on Bird Island (a big increase over recent days) and 75+ flew N offshore

6
Double-crested Cormorant

Main lagoon

212
Brown Pelican

160+ on Bird Island, up to 30 visiting the main lagoon and 22 flew N offshore

1
Great Blue Heron
6
Great Egret
14
Snowy Egret
5
Black-crowned Night-Heron
Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 4 1
9
Turkey Vulture
1
Sharp-shinned Hawk
1
Red-tailed Hawk
1
Downy Woodpecker

Heard only

1
Northern Flicker

Heard only

1
Western Wood-Pewee

Simmonds Road

3
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
5
Black Phoebe
1
Say's Phoebe

Beach dunes

1
Hutton's Vireo
5
California Scrub-Jay
3
American Crow
4
Common Raven
11
Violet-green Swallow

Flock on wires at the Headlands Visitor Center Car Parks and fly catching over the lagoon.

16
Barn Swallow
4
Chestnut-backed Chickadee
20
Bushtit

Exact count of a flock along Lagoon Trail

3
Pygmy Nuthatch

Simmonds Road Cypress trees

1
Marsh Wren
11
Bewick's Wren
6
Wrentit
3
Western Bluebird
1
Swainson's Thrush
2
American Robin
14
European Starling
5
House Finch
1
Purple Finch
3
American Goldfinch
1
Dark-eyed Junco (Oregon)
10
White-crowned Sparrow
6
Savannah Sparrow
11
Song Sparrow
2
Lincoln's Sparrow
7
California Towhee
5
Spotted Towhee
1
Brewer's Blackbird
1
Orange-crowned Warbler
13
Common Yellowthroat
23
Yellow Warbler
3
Yellow-rumped Warbler (Audubon's)

In a flock in the willows and cypress tree at the causeway road bridge. My first of the 2018 Fall!

3
Wilson's Warbler
 

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

Yes