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Checklist S47925624

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Aug 18, 2018 6:50 AM
Protocol:
Traveling
Party Size:
2
Duration:
3 hour(s), 25 minute(s)
Distance:
2.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind E, very light, shifting W, light, foggy with visibility up to 250 yards at best, 13C/55F. 30 minutes viewing Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 4+ River Otters in the main lagoon. Good influx of shorebirds due to the fog and a small fall of western passerine migrants around the main lagoon.
Species
60 species (+1 other taxa) total
2

Continuing at the eastern end of the main lagoon

10
16

On the ocean just off Rodeo Beach

15
1

On the ocean just off Rodeo Beach

1
1
Rufous/Allen's Hummingbird
2

Heard only from the main lagoon

1

Flew N along the beach and into the fog

1

Juvenile first located at Rodeo Beach associating with Sanderling first thing, but didn't settle for long. Fortunately relocated mid-morning in the main lagoon outlet channel feeding with 3 Semipalmated Plovers, 4 Western Sandpipers and 2 Least Sandpiper. A pretty special sight at this location!

ML111329171

© William Legge

Average Quality

Snowy Plover - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111329331

© William Legge

Average Quality

Snowy Plover - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111329551

© William Legge

Average Quality

Snowy Plover (with Western Sandpiper and Semipalmated Plover) - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111330351

© William Legge

Average Quality

Snowy Plover (with Sanderling) - Rodeo Beach, Marin County, California, USA - August 18, 2018

Age:
Juvenile
Sex:
Sex Unknown
3

Main lagoon outlet channel - juveniles/1st winters

4

In a flock. Circled the beach and the western end of the main lagoon in the fog but did not land

13

Feeding in the surf at Rodeo Beach before the crowds arrived! A good count for this location these days!

ML111327201

© William Legge

Average Quality

Sanderling - Rodeo Beach, Rodeo Lagoon, Marin County, California, USA - August 18, 2018

ML111327421

© William Legge

Average Quality

Sanderling - Rodeo Beach, Rodeo Lagoon, Marin County, California, USA - August 18, 2018

12

Western shore of the main lagoon/main lagoon outlet channel

ML111325031

© William Legge

Average Quality

Least Sandpipers - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

Age:
Unknown
Sex:
Sex Unknown
28

Minimum count - mainly at the western shore of the main lagoon and in the main lagoon outlet channel

ML111325501

© William Legge

Average Quality

Western Sandpipers - Rodeo Lagoon, Marin County, California, USA - August 18, 2018

50

Minimum coming into the main lagoon to wash and preen

10
12

Visiting to main lagoon to wash and preen

11

Visiting the main lagoon

2

Plus visiting the main lagoon in the fog and calling throughout their visit

2

Main lagoon

100

Up to 100+ visiting the main lagoon at anyone time, including a juvenile with a Pink leg band/ring No. X251

1
17
2
7

Five juveniles, an adult and a 1st summer (2nd CY) present - high total for this location

1
1
1

Heard only

1

Heard only

1

In willows on the south side of the main lagoon - possibly two

1
6
2
3

Minimum in a mixed flock on the south side of the main lagoon

3
2
7
1
1

With other swallows feeding on the north side of the main lagoon

15
5
1
1
4
11
3
5
2
8
8
3
4
2
6
3
4
24
1

Our first of the 2018 Fall at this location in the mixed flock on the south side of the main lagoon.

10
1

Immature male feeding with a Savannah Sparrow in the main lagoon outlet channel - an odd sight and a scarce species at this location, so definitely a dispersing migrant!

 

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

Yes