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Checklist S38958336

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Sep 02, 2017 6:40 AM
Protocol:
Traveling
Party Size:
1
Duration:
3 hour(s), 5 minute(s)
Distance:
2.5 mile(s)
Observers:
William Legge
Comments:
Initially calm but a slight variable breeze developing, hazy sunshine with temperatures rising to 29C/84F - stifling! 20 minute sea watch from Rodeo Beach followed by a circuit of the main lagoon. Mammals of note: 1+ River Otter in the main lagoon, and 1 Harbor Seal and 2 California Sea Lions offshore.
Species
57 species (+2 other taxa) total
13
6

In a single flock flew in off the ocean, landed in the middle of the main lagoon. Stayed for 20 minutes before being spooked by Brown Pelicans. Left high to the south over the Headlands.

21
1

Continuing juvenile on the main lagoon

1

On wires near the Fire Station

61

Flew through heading SE in several flocks in a 30 minute period between 9:10-9:40am, with some wheeling down to drink at the main lagoon.

Breeding Code
F Flyover (Observed)
1
3
4

Heard only - 3 from the main lagoon and 1 from the inner lagoon

1

Bird Island

1

Presumably yesterday's bird at the western shoreline of the main lagoon

1

At the western shore of the main lagoon first thing, but did not stay long

1

Flew N offshore

98

80 on Bird Island and 18 on the ocean off Rodeo Beach

25
5

Visiting the main lagoon or on ocean

1

Adult in breeding plumage on the ocean just off Rodeo Beach

47

46+ flew N offshore and 1 on Bird Island

3

1 on the ocean off Rodeo Beach and 2 flew N offshore

73

6 on the main lagoon, and 65 flew over SE in flocks of 46, 1, and 18 and 2 flew N offshore.

Breeding Code
F Flyover (Observed)
551

370 on Bird Island, up to 80 washing on the main lagoon throughout the morning, and 86 flew N and 15 S along the coastline in 20 minutes of sea watching

3
2
2
1
1
1

Juvenile

3
1
2
Pacific-slope/Cordilleran Flycatcher (Western Flycatcher)

In willows/scrub on the south side of the lagoon (Lagoon Trail)

4
2
4
2
12

Single flock flew through SSE

Breeding Code
F Flyover (Observed)
5

Flew through S

Breeding Code
F Flyover (Observed)
3
1

In scrub near the SW corner of the main lagoon

1
4
9
5
2
4
5

Including several juveniles

3
1
3
1
13
1
2
7

Flyovers - 2 heading NE and a flock of 5 flying SE

Breeding Code
F Flyover (Observed)
2
1
15
1

Adult female seen well in the willows on the south side of the main lagoon (midway along Lagoon Trail)

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

Female/1st winter in the cypress tree on south side of the main lagoon

6
 

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

Yes