Habitats:
Countryside = habitats F, M & T below
Forest = habitats C & D below
Seaside = habitats L, B & S below
P = Pelagic, deep ocean
L = Coastal ocean, Strait of Juan de Fuca
B = Bays, estuaries, and tidal flats
S = Shorelines, beaches, spits, and sea stacks
C = Coniferous forests
D = Deciduous/coniferous mixed
forests
A = Alpine, high Olympic Mountains
R = Rivers
F = Fields, farmlands, and prairies
M = Marshes and ponds
T = Brush lands, thickets, and berry patches
H = Human habitats: towns, parks, yards, and feeders
O = Overhead, aerial flyers and soarers

Seasonal Periods:
March-May = Northward migration and early breeding season
June-July = Late breeding season and post-breeding dispersal
August-October = Southward migration
November-February = Wintering

Abundance Categories:
Abundant = seen or heard in large flocks every trip
Common = seen or heard in suitable habitats every birding trip, usually as individuals or small groups
Fair. Com. = (Fairly Common) seen or heard reliably in suitable habitats, but not every trip
Uncommon = seen or heard only a few times each season or at a few specific locations
Rare = not seen every year during given period
Eruptive = seen in good numbers some yeare, but not seen at all in others, as in some finch species and Snowy Owls
Vagrant = seen 3 times or less on the North Olympic Peninsula
Unknown = probably present, but habitat not visited enough during respective season to establish abundance

• Content: Bob Boekelheide and Bob Norton.
• Web implementation: Dave Jackson.
• Bird family details: via links to web site of Seattle Audubon Society.

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Birds
Main checklist page
Contents current as of November 4, 2004.