Errata:
Shy Albatross: Add an arrow in August and replace the September dot with an arrow.
Fork-tailed Storm-Petrel: Add a dash in late December.
Red-footed Booby: Add an August-or-September record.
Magnificent Frigatebird: Add an October record.
Tundra Swan: Add a September record.
Common Moorhen: Delete the second asterisk and change the April-to-August status to "rare."
Laughing Gull: Change the February, September, and November symbols to arrows.
Insert Red-headed Woodpecker, in italics, between Lewis's Woodpecker and Acorn Woodpecker, with a July record.
Summer Tanager: Add a March record.
Updates:
(These will be added to this page in chronological order to facilitate keeping your list up to date. You may wish to use the Notes page at the back of the checklist for adding new species.)
Greater Sandplover: Add an arrow in April.
Black Skimmer: Add an April record.
Insert Zone-tailed Hawk between Swainson's Hawk and Red-tailed Hawk, with a May record.
White-faced Ibis: Add a June record.
White-winged Dove: Add a July record.
Bald Eagle: Add an August record.
Insert Sooty Tern, in parentheses and italics, between Least Tern and Black Tern, with an August record.
Arctic Loon: Add a December record.
Warbling Vireo: Add a December record.
Great-tailed Grackle: Add a December record.
Scott's Oriole: Add a December record.
Arctic Loon: Add an arrow in January.
Insert Iceland Gull, in parentheses and italics, between Thayer's Gull and Western Gull, with a January record.
Great-tailed Grackle: Add an arrow in January.
Scott's Oriole: Add an arrow in January.
Yellow-bellied Sapsucker: Add an arrow in March.
Swainson's Hawk: Add a March record.
Zone-tailed Hawk: Add an April record.
Insert Barred Owl between Spotted Owl and Long-eared Owl, with an April-May record.
Eastern Phoebe: Add a May record.
Great-tailed Grackle: Add a May record.
Least Bittern: Add a June record.
Gray Flycatcher: Add an August record.
Blue-headed Vireo: Add an August record.
Rusty Blackbird: Add a September record.
Golden-winged Warbler: Add a September record.
Insert Streaked Shearwater, in parentheses and italics, between Cook's Petrel and Pink-footed Shearwater, with a September record.
Hammond's Flycatcher: Add an October record.
Yellow Warbler: Add a November record.
Common Snipe: Change name to Wilson's Snipe.
Shy Albatross: Remove the parentheses.
Dark-rumped Petrel: Change name to Hawaiian Petrel.
Blue-headed Vireo: Remove the parentheses.
Ruff: Add an April record.
Bald Eagle: Add an April record.
Sulphur-bellied Flycatcher: Add a May record.
White-rumped Sandpiper: Add a May record.
Lark Bunting: Add a June record.
Costa's Hummingbird: Add a July record.
Greater Sandplover: Change the name to Greater Sand-Plover and remove the parentheses.
Red-legged Kittiwake: Remove the parentheses.
Sooty Tern: Remove the parentheses.
Gray-tailed Tattler: Remove the species from the list.
Arctic Loon: Add a July record, continuing into August.
Costa's Hummingbird: Add an arrow in August.
Yellow-billed Cuckoo: Add an August record.
Lucy's Warbler: Add an August record.
Merlin: Add a July record.
Rock Dove: Change name to Rock Pigeon.
Ferruginous Hawk: Add an August record.
Brewer's Sparrow: Add an August record.
Least Bittern: Replace the August arrow with a new record.
Lucy's Warbler: Add a September record.
Barred Owl: Add arrows in all months from May to March.
Sedge Wren: Add a September record.
Costa's Hummingbird: Add an arrow in October.
Yellow-breasted Chat: Add an October record.
Lesser Nighthawk: Add an October record.
Mississippi Kite: Add an October record.
Mongolian Plover: Add an October record.
Black-headed Grosbeak: Add a November record.
Costa's Hummingbird: Add a November record.
Insert Gyrfalcon, in italics and parentheses, between Merlin and Peregrine Falcon, with a November record.
Barred Owl: Replace the November arrow with a separate record.
Costa's Hummingbird: Add an arrow in December.
Insert Steller's Eider, in italics and parentheses, between Lesser Scaup and King Eider, with a December record.
Phainopepla: Add a December record.
Insert Lesser Black-backed Gull, in parentheses and italics, between Iceland Gull and Western Gull, with a December record.
Vaux's Swift: Add an arrow in January.
Yellow-billed Magpie: Add a January record.\
Italicize American Golden-Plover.
De-italicize Yellow Rail.
Violet-green Swallow: Add a January record.
Horned Puffin: Add a January record.
Swainson's Hawk: Add a February record.