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Checklist S40215691

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Mon Oct 30, 2017 7:40 AM
Protocol:
Traveling
Party Size:
2
Duration:
1 hour(s), 50 minute(s)
Distance:
0.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind WSW, moderate with gusts to 15+mph, overcast but good visibility, 13C/56F. 60 minute sea watch from Rodeo Beach plus a quick look at the main and inner lagoon but no circuit. Mammals of note: 3 River Otters in the main lagoon and 1 Harbor Seal offshore. Steady movement of mainly Surf Scoters offshore.
Species
40 species (+1 other taxa) total
1
Cackling Goose

Main lagoon

60
goose sp.

Estimate count of a single flock that flew in off the ocean SE at 7:40am and into the Golden Gate Channel high up. Too far way and poor light to ID. Likely Greater White-fronted or Cackling Geese.

7
Mallard
1
Ring-necked Duck

1st winter male on the main lagoon

3
Lesser Scaup

2 1st winter males and a female on the main lagoon

135
Surf Scoter

124+ flew S offshore in 60 minutes of sea watching, 7 flew N and 4 females on the main lagoon.

1
Bufflehead

Female/1st winter on the main lagoon

20
Ruddy Duck

Exact count from the main lagoon - all females/1st winter

7
Pied-billed Grebe

Minimum count on the main lagoon

5
Eared Grebe

Minimum count on the main lagoon

6
Western Grebe

4 on the main lagoon and 2 on the ocean off Rodeo Beach

4
Clark's Grebe

All on the main lagoon with Western Grebes

1
Common Gallinule

The continuing bird at the eastern end of the lagoon

34
American Coot

Main lagoon

4
Killdeer
1
Wilson's Snipe

Main lagoon outlet channel

1
Greater Yellowlegs

Main lagoon outlet channel

3
Heermann's Gull

Flew N offshore

4
Mew Gull

3 flew N and 1 S offshore - all 1st winters

40
Western Gull
20
California Gull

19+ flew S along the coastline and 1 1st winter at the main lagoon

1
Glaucous-winged Gull

Adult flew along the coastline

13
Red-throated Loon

11 flew S and 1 N offshore in 60 minutes of sea watching and 1 on the ocean off Rodeo Beach (in breeding plumage!)

1
Common Loon

Flew S offshore

37
Brandt's Cormorant

32 flew S and 1 N offshore in 60 minutes of sea watching, and 4 on Bird Island

8
Double-crested Cormorant

3 flew N offshore and 5+ on the main lagoon

65
Brown Pelican

45 flew S and 12 flew N offshore, and 8 on Bird Island

2
Great Blue Heron
3
Great Egret
2
Snowy Egret
3
Turkey Vulture
1
Cooper's Hawk

1st winter

1
Red-tailed Hawk
2
Black Phoebe
2
American Crow
6
Common Raven
3
Western Bluebird
6
European Starling
1
White-crowned Sparrow
2
Song Sparrow
1
California Towhee
 

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

Yes