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Checklist S43267565

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Wed Feb 28, 2018 7:30 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 35 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind SW, light but freshening, partly cloudy, with temperatures rising to 12C/53F. 45 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 1+ River Otter in the main lagoon and 10+ California Sea Lions offshore on and around the green buoy.
Species
56 species total
4
Canada Goose

2 flew over SE and 2 at Rodeo Bach which left E

8
Mallard
6
Northern Pintail

A tight flock floating on the ocean c. 300 yards off Rodeo Beach, loosely associating with the Surf Scoter flock. Migrants taking a break! Five males and a female

7
Ring-necked Duck

Including only one male

316
Surf Scoter

315+ on the ocean off Rodeo Beach plus a 1st winter male on the main lagoon.

22
Bufflehead

On the main lagoon - all females/1st winters save for one adult male

5
Common Goldeneye

Main lagoon: 3 1st winter males and 2 females

3
Hooded Merganser

A pair and a single female on the main lagoon

5
Pied-billed Grebe

Main lagoon

1
Eared Grebe

Main lagoon

11
Western Grebe

On the ocean off Rodeo Beach

8
Anna's Hummingbird
1
Virginia Rail

Heard only from the inner lagoon

2
Black Oystercatcher

Bird Island

1
Common Murre

Flew N offshore

20
Western Gull
2
California Gull

Adults on the ocean off Rodeo Beach

25
Iceland Gull (Thayer's)

Plus - 25 at Bird Island and a group of 4 visited the main lagoon to wash and preen

2
Glaucous-winged Gull

Flew N offshore

27
Red-throated Loon

21+ on the ocean just off Rodeo Beach and 6+ flew N offshore

2
Northern Fulmar

In flight off Rodeo Beach - both dark phase birds with one working its way north (with a whitish panel on the upper wing coverts) and a second all dark bird circling around to the south off Bird Island

17
Brandt's Cormorant

Tow on the ocean off Rodeo Beach and 10 flew S and 4 N offshore

6
Pelagic Cormorant

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

1
Double-crested Cormorant

Main lagoon

3
Great Egret
1
Snowy Egret
2
Black-crowned Night-Heron

Adult and a 1st winter in willows at the eastern end of the main lagoon.

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 1 1
1
Turkey Vulture
1
Cooper's Hawk

1st winter - presumably the same individual we have seeing for several months now around the main lagoon.

1
Red-tailed Hawk
1
Belted Kingfisher

The continuing female

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female 1
Sex Unknown
2
Downy Woodpecker
4
Black Phoebe
3
California Scrub-Jay
2
American Crow
5
Common Raven
1
Chestnut-backed Chickadee
1
Red-breasted Nuthatch

In Monterey Pines behind Shed T1111

1
Marsh Wren
2
Bewick's Wren
1
Golden-crowned Kinglet

Male in the Pines behind Shed T1111

4
Ruby-crowned Kinglet
10
Wrentit
7
Western Bluebird
11
European Starling
5
House Finch
2
Purple Finch
2
Dark-eyed Junco (Oregon)

Pair at Simmonds Road

1
White-crowned Sparrow
1
Golden-crowned Sparrow
3
Song Sparrow
2
California Towhee
1
Spotted Towhee
2
Red-winged Blackbird (California Bicolored)
4
Brewer's Blackbird
3
Yellow-rumped Warbler
 

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

Yes