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Checklist S47863687

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Wed Aug 15, 2018 6:45 AM
Protocol:
Traveling
Party Size:
2
Duration:
3 hour(s), 5 minute(s)
Distance:
2.3 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind NW, light, overcast with low clouds/fog above 400 feet, 13C/55F. 30 minute sea watch from Rodeo Beach followed by a near circuit of the main lagoon. Mammals of note: 1 Harbor Seal offshore. A decent pulse of migrants including the first migrant wildfowl of the Fall!
Species
58 species total
2
Gadwall

Together feeding at the eastern end of the main lagoon with Mallard. New in, a scarce visitor to the lagoon at any time of the year

9
Mallard
1
Ring-necked Duck

Female/1st winter located at the eastern end of the main lagoon. By far my earliest record of Ring-necked Duck at this location!

ML110983431

© William Legge

Ring-necked Duck (Female/1st winter) - Rodeo Lagoon, Marin County, California, USA - August 15, 2018

Age:
Unknown
Sex:
Female
16
Surf Scoter

On the ocean off Rodeo Beach

15
California Quail
3
Band-tailed Pigeon

In a flock - flew over NW

Breeding Code
F Flyover (Observed)
1
Anna's Hummingbird
1
Virginia Rail

Heard only from the inner lagoon

2
Black Oystercatcher

Bird Island

4
Marbled Godwit

In a single flock heading N along the coastline

Breeding Code
F Flyover (Observed)
5
Least Sandpiper

Western shore of the main lagoon

1
Spotted Sandpiper

Perhaps two. Western shore of the main lagoon, with the same or another seen at the eastern end later

15
Common Murre

On the ocean off Rodeo Beach

2
Pigeon Guillemot

Adult on the ocean or seen in flight offshore

450
Heermann's Gull

425 on Bird Island and up to 25 visiting the main lagoon at anyone time

40
Western Gull
14
California Gull

5 on the ocean and 9 on the main lagoon

ML110982901

© William Legge

California Gull (Juvenile/1st winter) - Rodeo Lagoon, Marin County, California, USA - August 15, 2018

Age:
Juvenile
Sex:
Sex Unknown
10
Caspian Tern
1
Common Loon

On the ocean off Rodeo Beach

250
Brandt's Cormorant

Estimate: 200 on Bird Island, 30+ flew N offshore and 20 on the ocean off Rodeo Beach

4
Double-crested Cormorant

3 flew N along the coastline and 1 at the main lagoon

290
Brown Pelican

180+ on Bird Island, 50 flew N offshore and up to 60 on the main lagoon at any one time

2
Great Blue Heron
16
Great Egret
6
Snowy Egret
5
Black-crowned Night-Heron

2 adults, 2 juveniles and a 1st summer (2nd CY) present

1
Turkey Vulture
2
Red-tailed Hawk

Adults

1
Downy Woodpecker
1
Northern Flicker

Heard only

1
Pacific-slope Flycatcher
2
Black Phoebe
1
Warbling Vireo

In the south willows

4
California Scrub-Jay
1
American Crow
5
Common Raven
8
Northern Rough-winged Swallow
6
Barn Swallow
5
Chestnut-backed Chickadee
1
Bushtit
1
Marsh Wren
4
Bewick's Wren
2
Blue-gray Gnatcatcher

In flight above the quarry on the north side of the main lagoon

10
Wrentit
5
Western Bluebird
2
Swainson's Thrush

Heard only

1
American Robin
5
Cedar Waxwing

In a flock flying over W

Breeding Code
F Flyover (Observed)
12
House Finch
5
Purple Finch
3
American Goldfinch
21
White-crowned Sparrow

Including a flock 18

5
Song Sparrow
2
California Towhee
3
Spotted Towhee
1
Orange-crowned Warbler
9
Common Yellowthroat
5
Wilson's Warbler
 

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

Yes