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Checklist S43184091

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sun Feb 25, 2018 7:15 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 5 minute(s)
Distance:
1.25 mile(s)
Observers:
William Legge
Comments:
Wind E, light, clear and sunny, frosty with temperatures rising to 10C/50F. 25 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 1+ River Otter in the main lagoon, 6 Black-tailed Deer and offshore 10+ California Sea Lions around the green buoy.
Species
53 species total
1

Flew in from the N and landed on Bird Island

10
8

Main lagoon, including 1 adult male

335

Offshore into two distinct rafts off Rodeo Beach, plus a 1st winter male on the main lagoon briefly

1

The continuing adult male, but further offshore today and mixed in with the Surf Scoter flock north of the green buoy north west of Rodeo Beach (versus the flock off Bird Island)

Age & Sex
Juvenile Immature Adult Age Unknown
Male 1
Female
Sex Unknown
12

Main lagoon, including one adult male

4

Main lagoon - 3 1st winter males and a female

Age & Sex
Juvenile Immature Adult Age Unknown
Male 3
Female 1
Sex Unknown
2

Females on the main lagoon

5

Main lagoon

1

Main lagoon

120

On the ocean off Rodeo Beach

4
2

Heard only from the inner lagoon

1

Bird Island

1

Feeding on the shoreline of the main lagoon outlet channel

7

On the ocean off Rodeo Beach

20
18

Bird Island

4

Offshore, plus one on Bird Island

31

27+ on the ocean off Rodeo Lagoon and 3 flew S and 1 N offshore

2

Flew S offshore

2

Main lagoon

3
3
2

Adults roosting in willows at the eastern end of the main lagoon. Unusual at this site in February.

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 2
1

Female/1st winter hunting in the hills north of Miwok Trail

1

1st winter

1
1

The continuing female

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female 1
Sex Unknown
1

Heard only

3
3
2
2
1
3
3
6
5
3
11
5
4
2
46
4
5
4
3
5
1
7
1

Adult male feeding with White-crowned Sparrows at the picnic tables on the north side of the main lagoon. A scarce species at this site and the first for almost 6-months!

Age & Sex
Juvenile Immature Adult Age Unknown
Male 1
Female
Sex Unknown
 

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

Yes