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Checklist S48441863

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Tue Sep 11, 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 E, very light, shifting W, very light, clear and sunny with temperatures rising to 20C/68F. 15 minute sea watch from Rodeo Beach, followed by a circuit of the main lagoon. Mammals of note: 2 Coyotes around the main lagoon and 1 Harbor Seal offshore.
Species
60 species (+1 other taxa) total
1
Cinnamon Teal

The continuing eclipse male with the Mallard flock

38
Mallard
1
Northern Pintail

With the Mallard flock - first of the 2018 Fall at this location

ML114519091

© William Legge

Northern Pintail - Rodeo Lagoon, Marin County, California, USA - September 11, 2018

Age:
Immature
Sex:
Sex Unknown
2
Green-winged Teal (American)

At the eastern end of the main lagoon loosely associating with the Mallard flock - first of the 2018 Fall!

16
California Quail
1
Eared Grebe

Main lagoon

1
Mourning Dove
1
Anna's Hummingbird
1
Virginia Rail

Heard only from the inner lagoon

14
Red-necked Phalarope

Eastern end of the main lagoon

100
Heermann's Gull

Bird Island - notable reduction in numbers

20
Western Gull
5
California Gull

Mainly 1st winters at the main lagoon

3
Caspian Tern
525
Brandt's Cormorant

Bird Island

27
Double-crested Cormorant

11+ on the main lagoon and a flock of 16 circled and left SE

445
Brown Pelican

320+ on Bird Island, up to 110 visiting the main lagoon and 15 flying N or S offshore

3
Great Blue Heron
7
Great Egret
23
Snowy Egret

Notable influx

9
Black-crowned Night-Heron

Record count for the location - all roosting in willows

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 5 3 1
1
Turkey Vulture
1
Osprey

Flew over the coastline heading S - Passing migrant

Breeding Code
F Flyover (Observed)
2
Red-tailed Hawk
1
Western Wood-Pewee

Simmonds Road

1
Pacific-slope Flycatcher
2
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
7
Black Phoebe
4
Warbling Vireo
4
California Scrub-Jay
2
American Crow
4
Common Raven
2
Northern Rough-winged Swallow
12
Barn Swallow
5
Chestnut-backed Chickadee
2
House Wren

Heard only

1
Marsh Wren
8
Bewick's Wren
13
Wrentit
1
Western Bluebird
1
American Robin
4
European Starling
8
House Finch
1
Purple Finch
14
Lesser Goldfinch

Flocks of 9 & 5 feeding on thistles

3
American Goldfinch
2
Dark-eyed Junco (Oregon)
4
White-crowned Sparrow
6
Savannah Sparrow

Minimum - at the beach dunes/main lagoon outlet channel

14
Song Sparrow
6
California Towhee
5
Spotted Towhee
1
Red-winged Blackbird (California Bicolored)
2
Tricolored Blackbird

Males on wires at the Naturebridge Buildings

1
Brewer's Blackbird
1
Orange-crowned Warbler
13
Common Yellowthroat
35
Yellow Warbler

Exact but conservative count! More out there and a significant increase today!

1
Black-throated Gray Warbler

The continuing male up at the Simmonds Road Cypress trees

4
Townsend's Warbler

Simmonds Road Cypress trees

6
Wilson's Warbler
 

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

Yes