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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

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

8
6

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

Including only one male

316

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

22

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

5

Main lagoon: 3 1st winter males and 2 females

3

A pair and a single female on the main lagoon

5

Main lagoon

1

Main lagoon

11

On the ocean off Rodeo Beach

8
1

Heard only from the inner lagoon

2

Bird Island

1

Flew N offshore

20
2

Adults on the ocean off Rodeo Beach

25

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

2

Flew N offshore

27

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

2

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

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

6

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

1

Main lagoon

3
1
2

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
1

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

1
1

The continuing female

Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female 1
Sex Unknown
2
4
3
2
5
1
1

In Monterey Pines behind Shed T1111

1
2
1

Male in the Pines behind Shed T1111

4
10
7
11
5
2
2

Pair at Simmonds Road

1
1
3
2
1
2
4
3
 

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

Yes