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Checklist S48294230

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Tue Sep 04, 2018 7:35 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 20 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind WSW, light, overcast with low clouds/fog above 400 feet, 15C/59F. 15 minute sea watch fro Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 3+ River Otters in the main lagoon.
Species
62 species total
28
Mallard
4
Surf Scoter

On the ocean off Rodeo Beach

1
Ruddy Duck

Female/1st winter on the main lagoon - the first of the 2018 Fall.

10
California Quail
3
Western Grebe

On the ocean off Rodeo Beach

3
Anna's Hummingbird
2
Virginia Rail

Heard only - one from each lagoon

1
Black Oystercatcher

Bird Island

2
Semipalmated Plover

One juvenile present on the north shore of the main lagoon and one heard calling over head at the same time

ML113593181

© William Legge

Average Quality

Semipalmated Plover - Rodeo Lagoon, Marin County, California, USA - September 4, 2018

Age:
Juvenile
Sex:
Sex Unknown
2
Least Sandpiper

Western shore of the main lagoon

6
Western Sandpiper

5 on the western shoreline and one in the main lagoon outlet channel

ML113592491

© William Legge

Average Quality

Western Sandpiper - Rodeo Lagoon, Marin County, California, USA - September 4, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML113592931

© William Legge

Average Quality

Western Sandpiper - Rodeo Lagoon, Marin County, California, USA - September 4, 2018

Age:
Juvenile
Sex:
Sex Unknown
16
Red-necked Phalarope

Eastern end of the main lagoon

4
Common Murre

On the ocean off Rodeo Beach

400
Heermann's Gull

Most roosting on Bird Island

1
Ring-billed Gull

1st winter present

25
Western Gull
10
California Gull

6+ juveniles/1st winters at the main lagoon and 4+ flew over SE

5
Caspian Tern

Including a juvenile

220
Brandt's Cormorant

175+ on Bird Island, 5 on the ocean and 40+ flew N offshore

1
Pelagic Cormorant

Flew S offshore

7
Double-crested Cormorant

4 present on the main lagoon and 3 flew over N

470
Brown Pelican

345 on Bird Island, up to 80 visiting the main lagoon at anyone time and 45 flew N offshore

2
Great Blue Heron
10
Great Egret
14
Snowy Egret
1
Black-crowned Night-Heron

Juvenile

2
Turkey Vulture
1
Sharp-shinned Hawk

Flew through S - first of the 2018 Fall

Breeding Code
F Flyover (Observed)
2
Red-tailed Hawk
1
Downy Woodpecker

Male

1
Northern Flicker

Heard only

8
Pacific-slope Flycatcher
ML113591471

© William Legge

Average Quality

Pacific-slope Flycatcher - Rodeo Lagoon, Marin County, California, USA - September 4, 2018

Age:
Unknown
Sex:
Sex Unknown
4
Black Phoebe
4
Warbling Vireo
3
California Scrub-Jay
1
American Crow
1
Common Raven
22
Northern Rough-winged Swallow

13+ flew S and 9+ present

1
Tree Swallow
30
Barn Swallow
1
Cliff Swallow
4
Chestnut-backed Chickadee
1
Marsh Wren
5
Bewick's Wren
9
Wrentit
3
Western Bluebird
3
Swainson's Thrush
5
European Starling
6
House Finch
3
Purple Finch
6
American Goldfinch
3
White-crowned Sparrow
1
Savannah Sparrow
11
Song Sparrow
2
California Towhee
4
Spotted Towhee
2
Orange-crowned Warbler
10
Common Yellowthroat

Big drop in numbers today

20
Yellow Warbler

Exact count

5
Townsend's Warbler
2
Hermit Warbler

1st winters - one in the Monterey Pine behind Shed T1111 and one in the Field/Simmonds Road Cypress trees

11
Wilson's Warbler
 

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

Yes