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Checklist S47646380

 
Location
Rodeo Lagoon, Marin County, California, US ( Map ) ( Hotspot )
Date and Effort
Sat Aug 04, 2018 6:45 AM
Protocol:
Traveling
Party Size:
7
Duration:
3 hour(s), 30 minute(s)
Distance:
2.5 mile(s)
Observers:
David Wiechers List , William Legge
Comments:
Wind NE, light, shifting W, light, clear and sunny with temperatures rising to 21C/70F. 45 minute sea watch from Rodeo Lagoon followed by a circuit of the main lagoon. Mammals of note: 4+ Black-tailed Deer, 2+ River Otter in the main lagoon and 1+ Harbor Seal offshore.
Species
51 species (+1 other taxa) total
12
13

On the ocean off Rodeo Lagoon

32

80% juveniles

6
1
Rufous/Allen's Hummingbird
1

Plus - heard only fro the eastern end of the main lagoon

2

Around Bird Island

1

Feeding in flight between shoreline rocks at Bird Island

20

10+ on the ocean and 10+ flew S offshore

4

On the ocean around Bird Island or seen in flight offshore

1500

Good estimate of a massive flock on Bird Island, with 500+ leaving N along the coastline once flushed

50
4
1
93

70 on Bird Island, 20+ flew N offshore and 3+ on the ocean

5

On the ocean or seen in flight offshore

33

21 flew N offshore (including a flock of 18), 10 flew S overhead and 2 on the main lagoon

590

450+ on Bird Island, 115+ flew N offshore and up to 25+ on the main lagoon

4

3 juveniles and an adult

6
2
5

3 juveniles, 1 2nd CY and an adult present

1
1
1
5
3
1
4
9

Most moving S

Breeding Code
F Flyover (Observed)
12
1
4
1

Plus

4
8
1
7

Including a family party of 4 crossing Field Rd

2
2

Flew over high SE

Breeding Code
F Flyover (Observed)
2
8
6
8
1
2

In the dunes at the western end of the main lagoon - our first migrants of the Fall season

8
2
4
1
10
11
 

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

Yes