Towheeblog

Amtrak line, Contra Costa County, California, US
Dec 7, 2017 7:00 AM – 7:40AM    30.0 mile(s)
Comments:     good bayshore viewing between Martinez and Albany
25 species

American Wigeon (Mareca americana)  X
Greater Scaup (Aythya marila)  X
Bufflehead (Bucephala albeola)  X
Common Loon (Gavia immer)  X
Western Grebe (Aechmophorus occidentalis)  X
Double-crested Cormorant (Phalacrocorax auritus)  X
Great Blue Heron (Ardea herodias)  X
Great Egret (American) (Ardea alba egretta)  X
Snowy Egret (Egretta thula)  X
Turkey Vulture (Cathartes aura)  1
Red-tailed Hawk (Buteo jamaicensis)  X
American Coot (Fulica americana)  X
American Avocet (Recurvirostra americana)  X
Western Sandpiper (Calidris mauri)  X
Spotted Sandpiper (Actitis macularius)  1
Willet (Western) (Tringa semipalmata inornata)  30
Pigeon Guillemot (Cepphus columba)  1     clearly seen, flying with white wing patches evident in good light
Ring-billed Gull (Larus delawarensis)  X
Western Gull (Larus occidentalis)  X
Rock Pigeon (Feral Pigeon) (Columba livia (Feral Pigeon))  X
American Crow (Corvus brachyrhynchos)  X
European Starling (Sturnus vulgaris)  X
Yellow-rumped Warbler (Setophaga coronata)  9
Brewer’s Blackbird (Euphagus cyanocephalus)  X
House Sparrow (Passer domesticus)  X

SAN FRANCISCO NATURAL HISTORY

I have just published a  book on this topic, tracing three centuries of intensive change.  Book also looks at what climate change is doing and may do. Click here for further information.