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Checklist S15114605

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Sep 07, 2013 6:50 AM
Protocol:
Traveling
Party Size:
2
Duration:
2 hour(s), 50 minute(s)
Distance:
2.0 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
30 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon with David Wiechers. Wind NE, light, shifting W, Sunny with temperatures rising to 21C. Several harbor Seal see off the beach, plus 1 River Otter noted in the inner lagoon.
Species
54 species (+1 other taxa) total
27
Mallard
16
Western Grebe

All on ocean off Rodeo Beach

2
Eurasian Collared-Dove

Flew WNW high over the Fire Station

3
Anna's Hummingbird
1
Rufous/Allen's Hummingbird
2
Virginia Rail

One at each lagoon, including an adult feeding out in the open in the NE corner of the main lagoon

2
Black Oystercatcher

Bird Island

2
Killdeer
1
Whimbrel

Western shore of the main lagoon

1
Pectoral Sandpiper

Arrived and landed on the mud spit midway down the main lagoon with a possible Semipalmated Sandpiper. Great views obtained.

1
Semipalmated Sandpiper

Appeared to arrive at the lagoon with a Pectoral Sandpiper. A juvenile. Watched feeding on the mud spit midway down the southern shore of the main lagoon and later on the exposed mud the NE corner of the main lagoon. All characteristics met for this species - straight bill, no rufous plumage, black legs, other then a slightly more pointed tip to the bill that this species generally shows. Some record shots/photos taken with cell phone through scope if needed.

23
Red-necked Phalarope

22 Midway down the main lagoon, plus 1 seen on the ocean offshore

1
Parasitic Jaeger

Presumed Parasitic actively chasing Elegant Terns well offshore

13
Common Murre
230
Heermann's Gull

Most on Bird Island

20
Western Gull
18
California Gull

Alsmot all adults in a tight flock on the ocean off Rodeo Beach

125
Elegant Tern

Feeding offshore, many very close to the beach

3
Sooty Shearwater

Flew N well offshore

47
Brandt's Cormorant

44+ flew S, 2 N offshore and 1 on Bird Island

3
Double-crested Cormorant

Flew SE high over the main lagoon

40
Brown Pelican

20 on Bird Island and 20 flew N offshore

2
Great Blue Heron
1
Green Heron

Usual juvenile at the eastern end of the main lagoon

1
Black-crowned Night-Heron
2
Downy Woodpecker
6
Black Phoebe
1
Hutton's Vireo
2
California Scrub-Jay
2
Common Raven
5
Northern Rough-winged Swallow

Flew through SE early a.m.

4
Barn Swallow

Over inner lagoon and Headlands Visitor Center briefly

2
Chestnut-backed Chickadee
2
Bushtit
4
Bewick's Wren
10
Wrentit
3
Western Bluebird
2
Swainson's Thrush

Heard calling along Lagoon Trail

3
American Robin
4
European Starling
8
House Finch
3
American Goldfinch
9
White-crowned Sparrow
1
Savannah Sparrow

Briefly on the footbridge leading to the beach

7
Song Sparrow
2
California Towhee
1
Spotted Towhee
14
Tricolored Blackbird

A flock of 13 flew SE over the main lagoon and then a single male was noted on wires at the Headlands Visitor Center car park

1
Brown-headed Cowbird
3
Brewer's Blackbird
2
Orange-crowned Warbler
12
Common Yellowthroat
1
Yellow Warbler

Midway along Lagoon Trail on the south side of thre main lagoon

2
Wilson's Warbler
2
Western Tanager

One seen well in the Headlands Visitor Center Eucalyptus tree which then flew off NE into the willows, and a second bird flew over heading E shortly thereafter

 

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

Yes