Checklist of Birds of the San Francisco Bay National Wildlife Refuge

Species Abundance in Fall Abundance in Winter Abundance in Spring Abundance in Summer
Red-throated Diver Uncommon Uncommon Occasional Rare
Black-throated Diver Uncommon Uncommon Uncommon
Common Loon Uncommon Common Uncommon Rare
Pied-billed Grebe Common Common Common Common
Horned Grebe Uncommon Common Uncommon Rare
Red-necked Grebe Rare Occasional Rare
Eared Grebe Common Abundant Abundant Uncommon
Western Grebe Common Common Common Uncommon
American White Pelican Common Common Occasional Common
Brown Pelican Uncommon Occasional Rare Uncommon
Double-crested Cormorant Abundant Abundant Uncommon Common
Brandt's Cormorant Rare Rare Rare Occasional
Pelagic Cormorant Uncommon Rare Uncommon Uncommon
American Bittern Uncommon Uncommon Uncommon Occasional
Least Bittern Occasional Rare
Great Blue Heron Common Common Common Common
Great Egret Common Common Common Common
Snowy Egret Abundant Abundant Abundant Abundant
Little Blue Heron Occasional Rare Occasional Occasional
Cattle Egret Occasional Occasional Occasional Occasional
Green Heron Occasional Rare Rare Occasional
Black-crowned Night Heron Common Common Common Common
White-faced Ibis Occasional Rare
Tundra Swan Rare Rare Rare
White-fronted Goose Occasional Occasional
Snow Goose Rare Occasional
Ross's Goose Rare
Brant Rare Rare Rare Rare
Canada Goose Rare Uncommon Uncommon Rare
Wood Duck Occasional Occasional Rare Rare
Green-winged Teal Uncommon Common Uncommon Occasional
Mallard Common Common Common Common
Northern Pintail Abundant Abundant Common Common
Blue-winged Teal Occasional Occasional Occasional Rare
Cinnamon Teal Common Common Common Uncommon
Northern Shoveler Abundant Abundant Common Uncommon
Gadwall Common Common Uncommon Common
Eurasian Wigeon Rare Rare
American Wigeon Rare Abundant Common Uncommon
Canvasback Common Abundant Common Occasional
Redhead Occasional Occasional Rare
Ring-necked Duck Rare Rare Rare
Greater Scaup Occasional Common Uncommon Rare
Lesser Scaup Abundant Abundant Abundant Occasional
Long-tailed Duck Rare Rare Rare Rare
Black Scoter Occasional Rare Rare
Surf Scoter Abundant Abundant Uncommon Rare
White-winged Scoter Uncommon Uncommon Occasional
Common Goldeneye Uncommon Common Uncommon Rare
Barrow's Goldeneye Occasional Occasional Rare
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