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Checklist S13815718

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Apr 20, 2013 6:50 AM
Protocol:
Traveling
Party Size:
2
Duration:
2 hour(s), 45 minute(s)
Distance:
2.0 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
30 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Wind E, light, sunny, with temperatures rising to 18C. Mammals seen: 1-2 River Otters in the lagoons and several Harbor Porpoise offshore.
Species
59 species total
3

Pair left south and a single bird flew through NW only to retrun and land on the lagoon.

12

Including a brood of 4 on the inner lagoon.

Breeding Code
NY Nest with Young (Confirmed)
33

21+ flew N offshore, plus 12 on the ocean off Rodeo Beach

1

Female on the main lagoon

3

Heard only

1

Heard only calling East of the Headlands Visitor Center

1

Eastern end of the main lagoon

7

On the ocean off Rodeo Beach

Oiled Birds
Not oiled
2 Oiled, not obviously sick
Oiled, obviously sick
Could not determine if oiled
2

On the ocean off Rodeo Beach

14

2 flew E over the Headlands to the south of the main lagoon and then at 9:30am a flock of 12 flew from the trees around the Fire Station NE

7
3

The nest by the Headlands Visitor Center now containing young. no sign of the female though

Breeding Code
NY Nest with Young (Confirmed)
2

Around Bird Island

1

Circled the beach calling and left NW out to sea

1

Western shore of the main lagoon

1

Located feeding on the southern vegetated shore of the main lagoon, midway along Lagoon Trail below the trail between the lone Eucalyprtus tree and the large Cypress tree at c. 8:30am. Afforded good views before taking flight, calling and showing diagnostic rump/tail and flying to the center of the lagoon where we lost the bird. Great find!

1

Arrived from great height and landed and fed in the Main Lagoon outlet channel before leaving 20 minutes later

80

In a tight flock off Rodeo Beach/Bird Island

25
1

1st summer flew S offshore

4
1

Flew S offshore

1

Flew S offshore

6

Seen in flight offshore

10

6 flew S, 1 N and 3 on the main lagoon

3

2 at the western end of the main lagoon, plus 1 flew N offshore

2
2

Pair seen at last season's nest in the Eucalyptus Grove to the southj of the main lagoon

2

Male and female

2
1
Breeding Code
CN Carrying Nesting Material (Confirmed)
5
1
3
1

Flew through hedaing N

2
2
4
3
6
2
9
1
4
6
101

Flocks of 33, 24 & 9 flew through heading N and then up to 35 birds seen around the Headlands Visitor Center and the causeway willows adjoining the inner lagoon

4
6
11
7
12
2
1
8
2
2
2
6
8
 

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

Yes