Checklist S15211788

Observations

1. Rock Pigeon (Feral Pigeon)

   Number observed:  8

   Exotic: Naturalized

2. Black Turnstone

   Number observed:  2

3. Heermann's Gull

   Number observed:  60

4. Western Gull

   Number observed:  80

5. Elegant Tern

   Number observed:  12

6. Blue-footed Booby

   Number observed:  1

   Details

   Continuing bird on Arch Rock, preening, loafing with Brandt's Cormorants, performing on several occasions an apparent "gular flutter." Slender, angular sulid; long, thin wings and wedge-shaped tail evident when preening. Gray, cone-shaped bill, thick at the base and tapering to a point. Blue-gray gular skin, appearing more blue in good light. Narrow pale band encircling bill/gular area. Crown, face, and neck light brownish, with white feather bases, giving stippled effect. Upperparts dark brown, but with white patches on nape and lower back; mantle feathers with narrow pale fringes and tips. Upperwings dark brown, almost black on primaries; underwing dark, but with white patch in axillaries. Dark brown rump; grayish uppertail coverts. Tail worn and generally grayish, but with whitish feather bases and shafts. Underparts white. Feet powdery blue-gray, appearing more blue in direct sunlight.

   Media

7. Brandt's Cormorant

   Number observed:  150

8. Pelagic Cormorant

   Number observed:  2

9. Brown Pelican

   Number observed:  35

10. Common Raven

    Number observed:  3