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Checklist S48374706

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Sep 08, 2018 7:00 AM
Protocol:
Traveling
Party Size:
13
Duration:
5 hour(s)
Distance:
2.75 mile(s)
Observers:
William Legge
Comments:
Wind E, light, shifting west, clear and sunny with temperatures rising to 18C/64F. 30 minute sea watch from Rodeo Beach followed by a clockwise circuit of the main lagoon (MAS Field Trip). Mammals of note: 4+ River Otters in the main lagoon and 1 Coyote.
Species
58 species (+1 other taxa) total
24
Mallard
17
California Quail
1
Eared Grebe

Main lagoon

3
Anna's Hummingbird
2
Black Oystercatcher

Bird Island

1
Semipalmated Plover

Northern shore of the main lagoon

2
Least Sandpiper

Western shore of the main lagoon

15
Red-necked Phalarope

Eastern end of the main lagoon

300
Heermann's Gull

Most roosting on Bird Island

20
Western Gull
4
California Gull

1st winters at the main lagoon

1
Glaucous-winged Gull

Adult briefly that the western shore of the main lagoon.

1
Caspian Tern
100
Elegant Tern

Feeding and flying N well offshore

225
Brandt's Cormorant

Bird Island

26
Double-crested Cormorant

6+ on the main lagoon and 20 flew S/SE including a flock of 18

315
Brown Pelican

200+ on Bird Island, up to 80+ visiting the man lagoon and 35+ flew N offshore

1
Great Blue Heron
4
Great Egret
8
Snowy Egret
2
Black-crowned Night-Heron

Adult and a juvenile

2
Turkey Vulture
1
Sharp-shinned Hawk

1st winter

3
Red-tailed Hawk
Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 1 2
1
Hairy Woodpecker

Heard and seen by some in the cypress trees behind the Fire Station

1
Northern Flicker

Heard only

2
Western Wood-Pewee

Together at Simmonds Road

6
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
4
Black Phoebe
2
California Scrub-Jay
3
American Crow
2
Common Raven
5
Barn Swallow
1
Cliff Swallow
1
Chestnut-backed Chickadee
1
Pygmy Nuthatch
2
House Wren
1
Marsh Wren
5
Bewick's Wren
8
Wrentit
2
Western Bluebird
10
European Starling
18
House Finch
1
Purple Finch
5
Lesser Goldfinch
ML114098271

© William Legge

Average Quality
Age:
Unknown
Sex:
Female
2
American Goldfinch
6
Dark-eyed Junco (Oregon)
4
White-crowned Sparrow
5
Savannah Sparrow
8
Song Sparrow
3
California Towhee
2
Spotted Towhee
2
Brewer's Blackbird

The first for some months

1
MacGillivray's Warbler

1st winter in the scrub adjoining the Quarry on the north side of the main lagoon

8
Common Yellowthroat
11
Yellow Warbler
1
Black-throated Gray Warbler

Adult male in the cypress trees at Simmonds Road

ML114098091

© William Legge

Average Quality
Age:
Adult
Sex:
Male
ML114098221

© William Legge

Average Quality
Age:
Adult
Sex:
Male
3
Townsend's Warbler

Simmonds Road

6
Wilson's Warbler
 

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

Yes