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Checklist S48010938

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Wed Aug 22, 2018 8:35 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 10 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind WSW, light, overcast with low clouds, 13C/55F. 15 minute sea watch from Rodeo Beach followed by a clockwise circuit of the main lagoon. Mammals of note: The family party of 5 River Otters in the main lagoon and 1-2 Coyote.
Species
55 species total
17
14

On the ocean off Rodeo Beach

1
3

Heard and seen at the eastern end of the main lagoon

2

Bird Island and the rocks around Rodeo Beach

16

14 at the western shore main lagoon and 2 at the eastern end

11

Western shore of the main lagoon

1

Juvenile at the western shore of the main lagoon

ML111871891

© William Legge

Average Quality

Short-billed Dowitcher - Rodeo Lagoon, Marin County, California, USA - August 22, 2018

Age:
Juvenile
Sex:
Sex Unknown
ML111871981

© William Legge

Average Quality

Short-billed Dowitcher - Rodeo Lagoon, Marin County, California, USA - August 22, 2018

Age:
Juvenile
Sex:
Sex Unknown
18

Minimum present at the main lagoon - 10 at the western shoreline and 8 at the eastern end

1
20

On the ocean off Rodeo Beach

470

400+ on Bird Island and up to 70 visiting the main lagoon

1

Juvenile/1st winter over the main lagoon briefly

45
23

20+ present at the main lagoon (60% juveniles) and 3 adults offshore

6
280

200+ on Bird Island and 80+ feeding on the ocean just off Rodeo Beach

6

2 on the main lagoon and a flock of 4 flew over SE

275

170 on Bird Island, up to 80 on the main lagoon and 25+ flew N offshore

2
13
7
1
1
2
1

Heard only

1
1
6
3
5
28

Most on wires at the Miwok Trailhead with other swallow species. Good count for this location.

ML111870981

© William Legge

Northern Rough-winged Swallows - Rodeo Lagoon, Marin County, California, USA - August 22, 2018

ML111871231

© William Legge

Northern Rough-winged Swallows (and Barn Swallows) - Rodeo Lagoon, Marin County, California, USA - August 22, 2018

1

On wires with other swallows

2

On wires with other swallows

15
9
3
2
9
3
3
3
11
2
10
15
4

3 in beach dunes and 1 at the eastern shoreline of the main lagoon

10
4
1

Juvenile

12
1

favoring coyote bushes below the quarry

ML111871621

© William Legge

Average Quality

Yellow Warbler - Rodeo Lagoon, Marin County, California, USA - August 22, 2018

Age:
Adult
Sex:
Female
1

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

1

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

7
 

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

Yes