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Checklist S48196951

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Fri Aug 31, 2018 7:30 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind W, very light, overcast with low clouds above 500+ feet early but slowly clearing, temperatures rising to 16C/60F. 15 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 5 River Otters in the main lagoon. Still brimming with passerine migrants but slightly less variety today.
Species
56 species (+1 other taxa) total
25
Mallard
3
Surf Scoter

On the ocean off Rodeo Beach

19
California Quail
4
Western Grebe

On the ocean off Rodeo Beach

1
Mourning Dove
2
Anna's Hummingbird
4
Virginia Rail

Heard only - 3 from the main lagoon and 1 from the inner lagoon

2
Black Oystercatcher

Bird Island

1
Semipalmated Plover

Circled the main lagoon high calling constantly and lost to sight over the ocean

Breeding Code
F Flyover (Observed)
1
Long-billed Curlew

Dropped in at the western shoreline of the main lagoon but didn't stay long

2
Marbled Godwit

Continuing at the western shoreline

9
Red-necked Phalarope

Main lagoon

21
Common Murre

On the ocean off Rodeo Beach

570
Heermann's Gull

500+ on Bird Island and a flock of 70 flew N offshore

30
Western Gull
6
California Gull

1st winters at the main lagoon

5
Caspian Tern
285
Brandt's Cormorant

250+ on Bird Island, 20+ flew N offshore and 15+ on the ocean off Rodeo Beach

11
Double-crested Cormorant

Up to 5 at the main lagoon and 5 flew N and 1 S offshore

600
Brown Pelican

Up to 315 on the main lagoon first thing, 95 on Bird Island and 190+ flew N along the coastline in 20 minutes of counting

2
Great Blue Heron
7
Great Egret
11
Snowy Egret
1
Black-crowned Night-Heron

Juvenile

3
Red-tailed Hawk
1
Barn Owl

Being scolded by 5 Yellow Warblers, a Wilson's Warbler and a Townsend's Warbler!

ML113007731

© William Legge

Average Quality

Barn Owl - Rodeo Lagoon, Marin County, California, USA - August 31, 2018

Age:
Unknown
Sex:
Sex Unknown
1
Northern Flicker

Heard only

2
Western Wood-Pewee

Perhaps 3 - all along Simmonds Road (from Field Rd to Bodsworth Road)

ML113006431

© William Legge

Average Quality

Western Wood-Pewee - Rodeo Lagoon, Marin County, California, USA - August 31, 2018

Age:
Unknown
Sex:
Sex Unknown
5
Pacific-slope Flycatcher
7
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
5
Black Phoebe
4
Warbling Vireo

Including a loose flock of 3 along Lagoon Trail in willows

4
California Scrub-Jay
2
American Crow
3
Common Raven
30
Barn Swallow
1
House Wren

Heard but not seen up at Simmonds Road

2
Marsh Wren
6
Bewick's Wren
9
Wrentit
2
Western Bluebird
2
Swainson's Thrush

Heard only

3
European Starling
13
House Finch
3
Purple Finch
8
American Goldfinch
1
Dark-eyed Junco (Oregon)
11
White-crowned Sparrow
13
Song Sparrow
2
California Towhee
9
Spotted Towhee
1
Orange-crowned Warbler
19
Common Yellowthroat
26
Yellow Warbler

Everywhere today!

ML113005421

© William Legge

Average Quality

Yellow Warbler - Rodeo Lagoon, Marin County, California, USA - August 31, 2018

7
Townsend's Warbler

5 at Simmonds Road and in willows along Lagoon Trail - 2 males and 5 females/1st winters.

2
Hermit Warbler

Perhaps 3 up at the Simmonds Road Cypress trees/Monterey Pines near the road junction with Field Road

15
Wilson's Warbler
 

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

Yes