That’s Great Blue Heron on the outer end of the pier. And the small lump on one of the inner pilings is a Black-crowned Night-Heron. They are backed by freezing fog at dawn. Last night the overnight temps even here by the Pacific at Pt. Reyes dropped to 28. 
Red-breasted Mergansers. They were in a small flock. Once in awhile they would all scutter across the water then dive simultaneously, apparently in pursuit of some school of fry that they alone could detect.
Great Scsaup were feeding along the shoreline with their heads underwater most of the time.
And in this picture you can see the lone Suef Scoter among scaup, the bird on the far left.
Great Egret over Tomales Bay.
Inverness waterfront, Marin, US-CA
Dec 6, 2013 7:10 AM. 23 species
Mute Swan (Cygnus olor) 2
American Wigeon (Anas americana) 2000
Mallard (Anas platyrhynchos) 2
Greater Scaup (Aythya marila) 300
Surf Scoter (Melanitta perspicillata) 1
Bufflehead (Bucephala albeola) 50
Ruddy Duck (Oxyura jamaicensis) 20
Eared Grebe (Podiceps nigricollis) 1
Western Grebe (Aechmophorus occidentalis) 4
Double-crested Cormorant (Phalacrocorax auritus) 1
Pelagic Cormorant (Phalacrocorax pelagicus) 1
Great Blue Heron (Ardea herodias) 1
Great Egret (Ardea alba) 2
Snowy Egret (Egretta thula) 2
Black-crowned Night-Heron
Red-shouldered Hawk (Buteo lineatus) 1
Killdeer (Charadrius vociferus) 1
Willet (Tringa semipalmata) 1
Western Gull (Larus occidentalis) 50
California Gull (Larus californicus) X
Eurasian Collared-Dove (Streptopelia decaocto) 1
Black Phoebe (Sayornis nigricans) 1
Western Scrub-Jay (Aphelocoma californica) X
Towheeblog 
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