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Checklist S42804869

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Thu Feb 15, 2018 7:15 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind NE, moderate with occasion gusts 15+ mph, clear and sunny, with temperatures rising to 13C/56F. 25 minute sea watch from Rodeo Beach followed a circuit of the main lagoon. Mammals of note: 3 River Otters in the main lagoon and offshore, 1 Harbor Seal and 5+ California Sea Lions (on the green buoy).
Species
51 species total
2
Brant

Two flew N low offshore, briefly landing on the ocean before continuing their journey northward

14
Cackling Goose

In a single flock flying S offshore at height at 7:20am.

9
Cinnamon Teal

In a single tight flock flew in off the ocean at 7:25am and landed at the western end of the main lagoon. Presumably spring migrants pushed to the coast given the gusting NE winds. A notable record for a species that is less than annual at this location.

Age & Sex
Juvenile Immature Adult Age Unknown
Male 5
Female 4
Sex Unknown

© William Legge

Cinnamon Teal (7 of 9 present) - Rodeo Lagoon, Marin Headlands, Marin, CA - Feb. 15, 2018

Age:
Adult

© William Legge

Cinnamon Teal (8 of 9 present) - Rodeo Lagoon, Marin Headlands, Marin, CA - Feb. 15, 2018

Age:
Adult
2
Mallard
7
Ring-necked Duck

Main lagoon, including 1 male

150
Surf Scoter

In several rafts offshore

10
Bufflehead

Main lagoon - all females/1st winters

4
Common Goldeneye

Main lagoon including two 1st winter males

Age & Sex
Juvenile Immature Adult Age Unknown
Male 2
Female 1 1
Sex Unknown
7
Hooded Merganser

On the main lagoon comprising 5 females at the western end and a pair at the eastern end.

6
Pied-billed Grebe

Main lagoon

16
Western Grebe

15 on the ocean off Rodeo Beach and 1 on the main lagoon.

9
Anna's Hummingbird
1
Black Oystercatcher

Bird Island

112
Common Murre

110+ flew N offshore and 2 on the ocean with Surf Scoters

1
Mew Gull (American)

Adult offshore

30
Western Gull
17
Iceland Gull (Thayer's)

On Bird Island

13
Red-throated Loon

9 on the ocean off Rodeo Beach and 4 flew N offshore

10
Brandt's Cormorant

Nine flew N offshore and 1 on the ocean just off Rodeo Beach

11
Pelagic Cormorant

Three on the ocean off Rodeo Beach, three on Bird Island and 5 flew N offshore

1
Double-crested Cormorant

Main lagoon

2
Great Egret
1
Snowy Egret
3
Turkey Vulture
1
Northern Harrier

Female/1st winter

1
American Kestrel

Usual wintering female

1
Black Phoebe
1
Hutton's Vireo
3
California Scrub-Jay
2
American Crow
7
Common Raven
2
Chestnut-backed Chickadee
4
Bushtit
6
Bewick's Wren
3
Ruby-crowned Kinglet
7
Wrentit
7
Western Bluebird
2
Hermit Thrush
12
European Starling
10
House Finch
3
Purple Finch
1
Fox Sparrow (Sooty)
2
Dark-eyed Junco (Oregon)
16
White-crowned Sparrow
6
Song Sparrow
3
California Towhee
1
Spotted Towhee
6
Red-winged Blackbird (California Bicolored)

Males

4
Brewer's Blackbird
1
Common Yellowthroat
2
Yellow-rumped Warbler
 

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

Yes