| February | March | April | May | June | July | August | September | October | November | December | Locations |
|
FEBRUARY
|
Arrivals
|
Early |
Allen’s Hummingbird |
| Mid |
Violet-green Swallow |
|
Departures
|
Mid |
Heermann’s Gull |
|
MARCH
|
Arrivals |
Early |
Rufous Hummingbird, Barn Swallow |
| Mid |
Red Knot, Caspian Tern, Northern Rough-winged Swallow, Cliff Swallow, Bullock’s Oriole |
| Late |
Pacific-slope Flycatcher, Wilson’s Warbler |
| APRIL |
Arrivals |
Early |
Warbling Vireo |
| Mid |
Vaux’s Swift, Ash-throated Flycatcher, Western Kingbird, Cassin’s Vireo, Swainson’s Thrush, Yellow Warbler, Black-throated Gray Warbler, Western Tanager, Chipping Sparrow, Black-headed Grosbeak |
| Late |
Sabine’s Gull, Olive-sided Flycatcher, Western Wood-Pewee, Lazuli Bunting |
| Departures |
Mid |
Bufflehead, Say’s Phoebe |
| Late |
American Wigeon, Black Scoter, Thayer’s Gull, Fox Sparrow |
|
MAY
|
Arrivals |
Early |
Grasshopper Sparrow |
| Departures |
Early |
Northern Fulmar, Green-winged Teal, Canvasback, Ring-necked Duck, Common Goldeneye, Greater Yellowlegs, Red Knot, Least Sandpiper, Wilson’s Snipe, Mew Gull, Herring Gull, Varied Thrush, Lincoln’s Sparrow |
| Mid |
Horned Grebe, Red-necked Grebe, Eared Grebe, American White Pelican, Semipalmated Plover, Wandering Tattler, Spotted Sandpiper, Ruddy Turnstone, Black Turnstone, Surfbird, Sanderling, Western Sandpiper, Dunlin, Short-billed Dowitcher, Long-billed Dowitcher, Black-legged Kittiwake, Rufous Hummingbird, American Pipit, Cedar Waxwing, Townsend’s Warbler, Golden-crowned Sparrow |
| Late |
Brant, Northern Shoveler, Pomarine Jaeger, Bonaparte’s Gull, Sabine’s Gull, Ruby-crowned Kinglet |
|
JUNE
|
Arrivals |
Mid |
Heermann’s Gull |
| Late |
Elegant Tern |
| Departures |
Early |
Red-breasted Merganser |
|
JULY
|
Arrivals |
Early |
Greater Yellowlegs |
| Mid |
Lesser Yellowlegs, Wandering Tattler, Western Sandpiper, Short-billed Dowitcher |
| Late |
Northern Fulmar, American White Pelican, Spotted Sandpiper, Black Turnstone, Surfbird, Least Sandpiper, Common Tern |
|
AUGUST
|
Arrivals |
Early |
Buller’s Shearwater, Northern Shoveler, Red-breasted Merganser, Ruddy Turnstone, Red Knot, Sanderling, Long-billed Dowitcher, Parasitic Jaeger, Sabine’s Gull |
| Mid |
Eared Grebe, Green-winged Teal, Semipalmated Plover, Wilson’s Phalarope, Red-necked Phalarope, Red Phalarope, Bonaparte’s Gull, Townsend’s Warbler |
| Late |
Brant, American Wigeon, Wilson’s Snipe |
| Departures |
Mid |
Allen’s Hummingbird |
| SEPTEMBER |
Arrivals |
Early |
Canvasback, Pomarine Jaeger, Cedar Waxwing |
| Mid |
Ring-necked Duck, Dunlin, Black-legged Kittiwake, Say’s Phoebe, Ruby-crowned Kinglet, American Pipit, Fox Sparrow, Lincoln’s Sparrow |
| Late |
Horned Grebe, Bufflehead, Common Goldeneye, Mew Gull, Herring Gull, Varied Thrush, Golden-crowned Sparrow |
| Departures |
Mid |
Olive-sided Flycatcher, Western Kingbird, Grasshopper Sparrow, Bullock’s Oriole |
| Late |
Lazuli Bunting |
| OCTOBER |
Arrivals |
Mid |
Black Scoter, Thayer’s Gull |
| Departures |
Early |
Wilson’s Phalarope, Western Wood-Pewee, Ash-throated Flycatcher, Cliff Swallow, Black-headed Grosbeak |
| Mid |
Sabine’s Gull, Caspian Tern, Vaux’s Swift, Pacific-slope Flycatcher, Cassin’s Vireo, Warbling Vireo, Northern Rough-winged Swallow, Swainson’s Thrush, Yellow Warbler, Black-throated Gray Warbler, Western Tanager, Chipping Sparrow |
| Late |
Wilson’s Warbler |
|
NOVEMBER
|
Departures |
Early |
Buller’s Shearwater, Red-necked Phalarope, Elegant Tern, Common Tern, Violet-green Swallow, Barn Swallow |
| Mid |
Red Knot |
| Late |
Lesser Yellowlegs |
| DECEMBER |
Departures |
Early |
Parasitic Jaeger |
| Late |
Red Phalarope |