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Checklist S48441863

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Tue Sep 11, 2018 7:35 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 20 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind E, very light, shifting W, very light, clear and sunny with temperatures rising to 20C/68F. 15 minute sea watch from Rodeo Beach, followed by a circuit of the main lagoon. Mammals of note: 2 Coyotes around the main lagoon and 1 Harbor Seal offshore.
Species
60 species (+1 other taxa) total
1

The continuing eclipse male with the Mallard flock

38
1

With the Mallard flock - first of the 2018 Fall at this location

ML114519091

© William Legge

Northern Pintail - Rodeo Lagoon, Marin County, California, USA - September 11, 2018

Age:
Immature
Sex:
Sex Unknown
2

At the eastern end of the main lagoon loosely associating with the Mallard flock - first of the 2018 Fall!

16
1

Main lagoon

1
1
1

Heard only from the inner lagoon

14

Eastern end of the main lagoon

100

Bird Island - notable reduction in numbers

20
5

Mainly 1st winters at the main lagoon

3
525

Bird Island

27

11+ on the main lagoon and a flock of 16 circled and left SE

445

320+ on Bird Island, up to 110 visiting the main lagoon and 15 flying N or S offshore

3
7
23

Notable influx

9

Record count for the location - all roosting in willows

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

Flew over the coastline heading S - Passing migrant

Breeding Code
F Flyover (Observed)
2
1

Simmonds Road

1
2
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)
7
4
4
2
4
2
12
5
2

Heard only

1
8
13
1
1
4
8
1
14

Flocks of 9 & 5 feeding on thistles

3
2
4
6

Minimum - at the beach dunes/main lagoon outlet channel

14
6
5
1
2

Males on wires at the Naturebridge Buildings

1
1
13
35

Exact but conservative count! More out there and a significant increase today!

1

The continuing male up at the Simmonds Road Cypress trees

4

Simmonds Road Cypress trees

6
 

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

Yes