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Checklist S46502492

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Tue Jun 12, 2018 7:30 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind E, light but variable and becoming W, light, clear and sunny with dense fog developing offshore, 18C/64F. 30 minute sea watch followed by a circuit of the main lagoon. Mammals of note: 2 River Otters in the main lagoon and 1 Harbor Seal offshore.
Species
56 species total
3
4

Please the two broods of 3 - one on each lagoon

20

Exact count - on the ocean off Rodeo Beach

1

Adult on the ocean, c. 150 yards off Rodeo Beach, loosely associating with a Western Grebe flock. Perhaps the individual seen between May 15-18, 2018?

ML104188281

© William Legge

Average Quality

Red-necked Grebe - on the ocean off Rodeo Beach, Marin, California, USA - June 12, 2018

Age:
Adult
Sex:
Sex Unknown
85

On the ocean off Rodeo Beach

3

With Western Grebes off Rodeo Beach

1

Heard only

7
1

On nest on Bird Island

230

Flew S offshore in c. 20 minute of watching

2

On the ocean around Bird Island

31

28 at Rodeo Beach (including several 1st summers (2nd CY)) and 3+ offshore

ML104186211

© William Legge

Average Quality

Heermann's Gulls - Rodeo Beach, Marin, California, USA - June 12, 2018

Age:
Adult
Sex:
Sex Unknown
ML104188371

© William Legge

Average Quality

Heermann's Gulls (including a 1st summer (2nd CY) - Rodeo Beach, Marin, California, USA - June 12, 2018

Age:
Immature
Sex:
Sex Unknown
11

7 at Rodeo Beach, 1 at the main lagoon and 3 flew S along the coastline - mainly immatures of various 'flavors'

ML104186641

© William Legge

Average Quality

California Gulls (variable 2nd Summers (3rd CY) and Heermann's Gill (left - 2nd summer) - Rodeo Beach, Marin, California, USA - June 12, 2018

Age:
Immature
Sex:
Sex Unknown
10

Mainly flyovers, but 2 at the western shore of the main lagoon briefly and 1 at Rodeo Beach

ML104187171

© William Legge

Average Quality

Caspian Tern - Rodeo Beach, Marin, California, USA - June 12, 2018

Age:
Adult
Sex:
Sex Unknown
1

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

35

On Bird Island

5

4 on the main lagoon and 1 flew S offshore

52

47 on Bird Island, 1 at the main lagoon and 4 flew N offshore

2

Adult and a juvenile

ML104185811

© William Legge

Average Quality

Great Blue Heron (juvenile) - Rode0 Lagoon, Marin, California, USA - June 12, 2018

Age:
Juvenile
Sex:
Sex Unknown
3
1

1st summer on the northern shore of the main lagoon - the first I've seen at this site this year!

ML104187731

© William Legge

Average Quality

Green Heron (1st summer (2nd CY)) - Rodeo Lagoon, Marin, California, USA - June 12, 2018

Age:
Immature
Sex:
Sex Unknown
4

2 adults, a 1st summer and a juvenile present - roosting in willows

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

Heard only calling from the cypress trees north of the fire station

3
2
5
1
2
1
1
1
5
4
3
2
4
8
2
8
2
4
7
7
5
2
13
1
3
4
1
3
6
Breeding Code
FL Recently Fledged Young (Confirmed)
6
Breeding Code
FL Recently Fledged Young (Confirmed)
1

Heard only in song from the willows adjoining the inner lagoon

 

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

Yes