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Checklist S39943299

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sun Oct 15, 2017 7:15 AM
Protocol:
Traveling
Party Size:
3
Duration:
3 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind E, moderate with gusts over 20+mph, clear and sunny, temperatures rising to 21C/70F. 20 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Another gusty morning with offshore winds, but other than a bit of movement first thing, visual migration dried up. Not as active as the previous day.
Species
66 species total
1
Greater White-fronted Goose

The continuing 1st winter on the main lagoon

1
Cackling Goose (Aleutian)

The continuing 1st winter at the main lagoon

1
American Wigeon

Male on the main lagoon

28
Mallard
17
Surf Scoter

13 flew S offshore (groups of 2 & 11) and 4 on the ocean off Rodeo Beach

8
Pied-billed Grebe

Main lagoon

3
Eared Grebe

Main lagoon

8
Western Grebe

1 on the main lagoon and 7+ on the ocean off Rodeo Beach

16
Band-tailed Pigeon

3 flew E off the ocean with 2 Peregrines in pursuit and a flock of 13 flew SE over the Marin Headlands

Breeding Code
F Flyover (Observed)
2
Anna's Hummingbird
2
Virginia Rail

Heard only from the inner lagoon

1
Common Gallinule

The continuing 2nd CY bird at the eastern end of the main lagoon

15
American Coot

Main lagoon - 100% increase overnight!

2
Black Oystercatcher

On rocks at Rodeo Beach

7
Killdeer
1
Long-billed Dowitcher

The continuing 1st winter in the main lagoon outlet channel

1
Wilson's Snipe
1
Greater Yellowlegs
1
Common Murre

On the ocean off Rodeo Beach

20
Western Gull

Most on Bird Island

6
California Gull

5 flew S/SE and a 1st winter at the main lagoon

2
Glaucous-winged Gull

Adults flying S along the coastline

Breeding Code
F Flyover (Observed)
2
Brandt's Cormorant

Singles flew S and N offshore

9
Double-crested Cormorant

Main lagoon

37
Brown Pelican

20+ flew N and 17 S offshore

3
Great Blue Heron
4
Great Egret
4
Snowy Egret
3
Turkey Vulture
2
Cooper's Hawk
1
Red-tailed Hawk
1
Belted Kingfisher

Female/1st winter

1
Northern Flicker

Heard only

1
American Kestrel
Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female 1
Sex Unknown
2
Peregrine Falcon

Pursuing Band-tailed Pigeons on the south side of the main lagoon

4
Black Phoebe
1
Say's Phoebe

Beach dunes

1
Hutton's Vireo
3
American Crow
3
Common Raven
3
Tree Swallow

Flew in off the ocean as a group and east over the lagoon and up Rodeo Valley

Breeding Code
F Flyover (Observed)
4
Violet-green Swallow

Flew over as a flock heading SE

Breeding Code
F Flyover (Observed)
7
Chestnut-backed Chickadee
5
Pygmy Nuthatch
1
House Wren

Heard only

4
Bewick's Wren
3
Ruby-crowned Kinglet
3
Western Bluebird
7
Hermit Thrush
8
American Pipit

Flew over heading SE in groups of 3 & 5

Breeding Code
F Flyover (Observed)
13
House Finch
3
Purple Finch
19
Lesser Goldfinch

Flew over heading SE in groups of 8 & 11

Breeding Code
F Flyover (Observed)
4
Fox Sparrow (Sooty)
6
Dark-eyed Junco (Oregon)
4
White-crowned Sparrow
8
Golden-crowned Sparrow
6
Song Sparrow
2
California Towhee
3
Spotted Towhee
2
Western Meadowlark

Flew NE over the main lagoon together and into the Headlands

7
Red-winged Blackbird (California Bicolored)

Moist flyover heading E/SE

Breeding Code
F Flyover (Observed)
19
Brewer's Blackbird
2
Common Yellowthroat
11
Yellow-rumped Warbler (Audubon's)
1
Townsend's Warbler

Female/1st winter

 

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

Yes