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Checklist S37608631

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Thu Jun 15, 2017 8:00 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind SE, light, shifting W, light, sunny with temperatures rising to 18C/65F. 40 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 2 River Otters in the main lagoon and single Harbor Seal and California Sea Lion offshore.
Species
52 species total
6
Mallard

Including the 3 large juveniles

9
Surf Scoter

On the ocean off Rodeo Beach

5
Western Grebe

On the ocean off Rodeo Beach

1
Mourning Dove
1
Allen's Hummingbird

Male

1
Black Oystercatcher

Still on nest on Bird Island

Breeding Code
ON Occupied Nest (Confirmed)
350
Common Murre

60+ scattered on the ocean and 290+ flew mainly south offshore into the Golden Gate Channel

9
Pigeon Guillemot

4+ on the ocean off Rodeo Beach and 5 seen in flight offshore, including a flock of 4 heading N

1
Cassin's Auklet

Flew S offshore - very small, fast flight and wing beats and completely dark slate gray. Heading to the Golden Gate Channel where there was a lot of action (see Common Murre)

27
Heermann's Gull

Flew N offshore in 40 minutes of sea watching

35
Western Gull
2
California Gull

Singles flew S and N offshore

4
Caspian Tern

4 flew N, including one over the main lagoon briefly

2
Pacific Loon

Together well offshore - in non-breeding plumage

3
Common Loon

On the ocean off Rodeo Beach - all in non-breeding plumage

36
Brandt's Cormorant

5+ on the ocean off Rodeo each and 31+ flew N offshore

3
Pelagic Cormorant

2 on the ocean off Rodeo Beach and 1 flew N offshore

2
Double-crested Cormorant

1 on the main lagoon and 1 flew S offshore

35
Brown Pelican

Flew N offshore in 40 minutes of sea watching

2
Snowy Egret

1 present and 1 flew S offshore

4
Turkey Vulture
1
Cooper's Hawk

Fly over adult

2
Red-tailed Hawk

Adults

1
Hairy Woodpecker

Male drumming on poles at the Marin Headlands Visitor Center Car Park

3
Black Phoebe
1
Hutton's Vireo

Behind Shed T1111

2
California Scrub-Jay
2
American Crow
4
Common Raven
2
Violet-green Swallow
5
Barn Swallow
6
Cliff Swallow
1
Chestnut-backed Chickadee
1
Bushtit
3
Marsh Wren
2
Bewick's Wren
14
Wrentit
3
Western Bluebird
5
Swainson's Thrush
2
American Robin
3
European Starling

The first juvenile of the season - very late

Breeding Code
FL Recently Fledged Young (Confirmed)
12
House Finch
9
Purple Finch
7
American Goldfinch
5
White-crowned Sparrow
17
Song Sparrow
1
California Towhee
4
Spotted Towhee
1
Bullock's Oriole

1st summer male feeding in willows on the north side of the main lagoon.

8
Red-winged Blackbird (California Bicolored)

Including a female with 3 juveniles in tow

Breeding Code
FL Recently Fledged Young (Confirmed)
14
Common Yellowthroat
5
Wilson's Warbler
 

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

Yes