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Checklist S47925624

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Aug 18, 2018 6:50 AM
Protocol:
Traveling
Party Size:
2
Duration:
3 hour(s), 25 minute(s)
Distance:
2.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind E, very light, shifting W, light, foggy with visibility up to 250 yards at best, 13C/55F. 30 minutes viewing Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 4+ River Otters in the main lagoon. Good influx of shorebirds due to the fog and a small fall of western passerine migrants around the main lagoon.
Species
60 species (+1 other taxa) total
2
Gadwall

Continuing at the eastern end of the main lagoon

10
Mallard
16
Surf Scoter

On the ocean just off Rodeo Beach

15
California Quail
1
Western Grebe

On the ocean just off Rodeo Beach

1
Anna's Hummingbird
1
Rufous/Allen's Hummingbird
2
Virginia Rail

Heard only from the main lagoon

1
Black Oystercatcher

Flew N along the beach and into the fog

1
Snowy Plover

Juvenile first located at Rodeo Beach associating with Sanderling first thing, but didn't settle for long. Fortunately relocated mid-morning in the main lagoon outlet channel feeding with 3 Semipalmated Plovers, 4 Western Sandpipers and 2 Least Sandpiper. A pretty special sight at this location!

ML111329171

© William Legge

Average Quality

Snowy Plover - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111329331

© William Legge

Average Quality

Snowy Plover - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111329551

© William Legge

Average Quality

Snowy Plover (with Western Sandpiper and Semipalmated Plover) - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111330351

© William Legge

Average Quality

Snowy Plover (with Sanderling) - Rodeo Beach, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
3
Semipalmated Plover

Main lagoon outlet channel - juveniles/1st winters

4
Marbled Godwit

In a flock. Circled the beach and the western end of the main lagoon in the fog but did not land

13
Sanderling

Feeding in the surf at Rodeo Beach before the crowds arrived! A good count for this location these days!

ML111327201

© William Legge

Average Quality

Sanderling - Rodeo Beach, Rodeo Lagoon, Marin County, California, USA - August 18, 2018

ML111327421

© William Legge

Average Quality

Sanderling - Rodeo Beach, Rodeo Lagoon, Marin County, California, USA - August 18, 2018

12
Least Sandpiper

Western shore of the main lagoon/main lagoon outlet channel

ML111325031

© William Legge

Average Quality

Least Sandpipers - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Unknown
Sex:
Sex Unknown
28
Western Sandpiper

Minimum count - mainly at the western shore of the main lagoon and in the main lagoon outlet channel

ML111325501

© William Legge

Average Quality

Western Sandpipers - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

50
Heermann's Gull

Minimum coming into the main lagoon to wash and preen

10
Western Gull
12
California Gull

Visiting to main lagoon to wash and preen

11
Caspian Tern

Visiting the main lagoon

2
Elegant Tern

Plus visiting the main lagoon in the fog and calling throughout their visit

2
Double-crested Cormorant

Main lagoon

100
Brown Pelican

Up to 100+ visiting the main lagoon at anyone time, including a juvenile with a Pink leg band/ring No. X251

1
Great Blue Heron
17
Great Egret
2
Snowy Egret
7
Black-crowned Night-Heron

Five juveniles, an adult and a 1st summer (2nd CY) present - high total for this location

1
Cooper's Hawk
1
Red-tailed Hawk
1
Downy Woodpecker

Heard only

1
Northern Flicker

Heard only

1
Willow Flycatcher

In willows on the south side of the main lagoon - possibly two

1
Pacific-slope Flycatcher
6
Black Phoebe
2
Hutton's Vireo
3
Warbling Vireo

Minimum in a mixed flock on the south side of the main lagoon

3
California Scrub-Jay
2
American Crow
7
Common Raven
1
Northern Rough-winged Swallow
1
Tree Swallow

With other swallows feeding on the north side of the main lagoon

15
Barn Swallow
5
Chestnut-backed Chickadee
1
Bushtit
1
Marsh Wren
4
Bewick's Wren
11
Wrentit
3
Western Bluebird
5
Swainson's Thrush
2
American Robin
8
European Starling
8
House Finch
3
Purple Finch
4
American Goldfinch
2
Savannah Sparrow
6
Song Sparrow
3
California Towhee
4
Spotted Towhee
24
Common Yellowthroat
1
Yellow Warbler

Our first of the 2018 Fall at this location in the mixed flock on the south side of the main lagoon.

10
Wilson's Warbler
1
House Sparrow

Immature male feeding with a Savannah Sparrow in the main lagoon outlet channel - an odd sight and a scarce species at this location, so definitely a dispersing migrant!

 

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

Yes