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Checklist S44276926

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Thu Apr 05, 2018 7:30 AM
Protocol:
Traveling
Party Size:
1
Duration:
2 hour(s), 50 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Wind NW, initially very light but increasing as the morning progressed, 13C/56F. 40 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon.
Species
63 species total
105

Flew past N offshore, low to the ocean in flocks of 47, c. 40 and 18 in 40 minutes of sea watching, so this species is definitely on the move today.

Breeding Code
F Flyover (Observed)
3

Main lagoon

6
850

Large raft on the ocean off Rodeo Beach

1

Main lagoon

30

Estimate - on the ocean off Rodeo Beach

2
15
1

male

4

Two pair in flight off Rodeo Beach and around Bird Island

2

Singles flew N offshore

1

On Bird Island - feeding on lower rocks

400

Estimate - in flight mainly heading N and 20+ on the ocean

6

On the ocean around Bird Island

30

Mainly Bird Island

10

Feeding offshore with Western Gulls

1

2nd winter flew over SW

Breeding Code
F Flyover (Observed)
3

Feeding offshore

7

1 on the main lagoon in transitional plumage, 3 on the ocean off Rodeo Beach and 2 flew N and 1 S offshore

235

Feeding flock of c. 200 offshore Rodeo Beach and 35+ flew S offshore

6

On the ocean off Rodeo Beach

2

Main lagoon

2
5

Three present and two flew N offshore

1

Adult - perhaps two present

3
1

1st winter/2nd CY

2

Adult and a 2nd CY/1st winter

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

A nice surprise. Two flew over SE within 200 feet of each other about c. 250 feet up. Picked up over flying the main lagoon and they just continued their way purposefully SE, over the Marin Headlands Visitor Center and into the Headlands beyond. Big flappy wing beats - more exaggerated than American Crow. My third record in spring (second in April) of this species at this site, so there seems to be a spring dispersal of Pileated Woodpeckers!

Breeding Code
F Flyover (Observed)
1

Heard only

2
1

Heard only

3
8

Mostly flying over with 5 NW ad 1 S

Breeding Code
F Flyover (Observed)
5
2
1
2
2
1
4
9
1
1
2
9
8
9
3
1
2
9
1
10
1
1
6
1
1
Breeding Code
S7 Singing Male Present 7+ days (Probable)
5
12
5
 

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

Yes