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Checklist S48330777

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Thu Sep 06, 2018 7:35 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 25 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind W, initially very calm, but increased to a 5-10mph sustained wind by mid-morning, overcast with low clouds/fog above 350 feet, 14C/58F. Mammals of note: 1 Harbor Seal offshore and 4+ River Otters in the main lagoon.
Species
62 species (+1 other taxa) total
27
7

On the ocean off Rodeo Beach

27
1

On the ocean off Rodeo Beach

2

Heard only - one from each lagoon

2

On the northern shore of the main lagoon

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

Western shore of the main lagoon

1

Main lagoon outlet channel

11

Eastern end of the main lagoon

1

Initially feeding in the main lagoon outlet channel

1

Harassing Elegant Terns offshore

350

Most on Bird Island

1

1st winter present

20
8

Main lagoon - mostly 1st winters

1
25

Feeding offshore and working their way north

1

On the ocean off Rodeo Beach - in non-breeding plumage

195

150+ on Bird Island, 25+ flew N offshore and 20 on the ocean off Rodeo Beach

2

On the ocean or seen in flight offshore

7

6+ at the main lagoon and 1 flew N offshore

378

295 on Bird Island, up to 30 visiting the main lagoon at any one time and 53 flew N offshore

3
5
14
1

Juvenile

1
2

Heard only

1

Up at Simmonds Road

1
2
8
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
6
1
2
5
1
5
12
1
10
1
3
1
4
11
12
11
2
3
6
1
16
1

First of the 2018 Fall along Lagoon Trail (south side of the main lagoon)

3
6
1
4

A flock of juveniles - left NW

25

Exact count

20

Exact count

1

1st winter in willows along Lagoon Trail (south side of the main lagoon)

2

Simmonds Road Cypress trees

8
 

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

Yes