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Checklist S48156480

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Wed Aug 29, 2018 7:40 AM
Protocol:
Traveling
Party Size:
2
Duration:
3 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
Daphne Hatch List , William Legge
Comments:
Wind WSW, mainly light, mainly clear and sunny, with temperatures rising to 18C/64F. 20 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 4+ River Otters in the main lagoon and 1 Harbor Seal offshore. Still a good selection of western passerine migrants around despite the clear conditions.
Species
64 species (+2 other taxa) total
23
Mallard
8
Surf Scoter

On the ocean off Rodeo Beach

11
California Quail
7
Band-tailed Pigeon

A single flock flew over SE

Breeding Code
F Flyover (Observed)
3
Anna's Hummingbird
3
Virginia Rail

Heard only, two from the main lagoon and one from the inner lagoon

1
Black Oystercatcher

Bird Island

2
Marbled Godwit

Feeding in SW corner of the main lagoon

1
Least Sandpiper
6
peep sp.

SW corner of the main lagoon first thing but they were not there when we returned to view

10
Red-necked Phalarope

Ended up at the eastern end of the main lagoon

1
Greater Yellowlegs

Continuing - midway down the southern shore line of the main lagoon

1
Parasitic Jaeger

Flew S well offshore - pale morph/phase

7
Common Murre

On the ocean off Rodeo Beach

500
Heermann's Gull

Mostly roosting on Bird Island

20
Western Gull
10
California Gull

Main lagoon or flyovers - mainly 1st winters

6
Caspian Tern
1
Common Loon

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

250
Brandt's Cormorant

225+ Bird Island, 15+ on the ocean off Rodeo Beach and 10+ flew N offshore

4
Double-crested Cormorant

2+ on the main lagoon, 1 on Bird Island and 1 flew N offshore

425
Brown Pelican

290+ on Bird Island, up to 100+ visiting the main lagoon anyone time, and 35+ flew N offshore

1
Great Blue Heron
5
Great Egret
10
Snowy Egret
5
Black-crowned Night-Heron

4 juveniles and a 1st summer (2nd CY) present

2
Turkey Vulture
2
Red-tailed Hawk

Adults

1
Downy Woodpecker
1
Northern Flicker (Red-shafted)
1
Western Wood-Pewee

Favoring the Monterey Pines at Simmonds Road

5
Pacific-slope Flycatcher

By call

3
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)

Seen but not heard!

2
Black Phoebe
2
Hutton's Vireo
3
Warbling Vireo
4
California Scrub-Jay
8
Common Raven
9
Northern Rough-winged Swallow

Flew through S/SE in groups of 4, 2, & 3

Breeding Code
F Flyover (Observed)
12
Barn Swallow

Flew through S

Breeding Code
F Flyover (Observed)
3
Chestnut-backed Chickadee
12
Bushtit
2
House Wren

One seen (behind Shed T1111) and one heard off Field Road. Our first of the 2018 Fall!

8
Bewick's Wren
13
Wrentit
2
Western Bluebird
11
European Starling
9
House Finch
2
Purple Finch
2
Lesser Goldfinch
4
American Goldfinch
4
Dark-eyed Junco (Oregon)
1
White-crowned Sparrow
4
Savannah Sparrow

Mainly the dunes at the western end of the main lagoon

12
Song Sparrow
2
California Towhee
5
Spotted Towhee
2
Orange-crowned Warbler
1
Nashville Warbler

Female/1st winter working Coyote Bushes at the base of the quarry on the north side of the main lagoon

ML112780131

© William Legge

Average Quality

Nashville Warbler - Rodeo Lagoon, Marin County, California, USA - August 29, 2018

Age:
Unknown
Sex:
Female
12
Common Yellowthroat

A big drop in numbers from yesterday

5
Yellow Warbler
1
Black-throated Gray Warbler

Adult female on the north side of the main lagoon near the quarry

4
Townsend's Warbler

In the Simmonds Road cypress trees

2
Hermit Warbler

At a minimum. Female/1st winters - one in Monterey Pines behind Shed T1111 (NE of the main lagoon) and 1 in cypress trees at the junction of Simmonds/Bodsworth Road just south of the Marin Headlands Visitor Center.

10
Wilson's Warbler

Noticeable decline from yesterday

2
Western Tanager

Flew E over the main lagoon together and up Rodeo Valley

 

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

Yes