A list of birds at risk in Washington state, broken down by the severity of threats to their habitat and survival:

Birds of immediate concern: Those with small populations that have shown steep declines over all or part of their ranges, or face rapid habitat loss:

•Snowy plover

•Long-billed curlew

•Red knot

•Marbled murrelet

•American bittern

•Northern goshawk

•Spotted owl

•Black swift

•White-headed woodpecker

•Olive-sided flycatcher

•Ferruginous hawk

•Greater sage-grouse

•Sharp-tailed grouse

•Loggerhead shrike

•Streak-horned lark

•Oregon Vesper sparrow

Birds of high concern: Those that remain fairly common but have seen population declines and habitat losses:

•Western grebe

•Trumpeter swan

•Caspian tern

•Purple martin

•Lewis's woodpecker

•Golden eagle

•Band-tailed pigeon

•Flammulated owl

•Prairie falcon

•Burrowing owl

•Short-eared owl

•Sage thrasher

•Brewer's sparrow

•Sage sparrow

•Short-eared owl

Early warning birds: Considered potentially at risk because of their rarity, downward population trends, limited distribution and limited habitat. Includes 64 species and two subspecies.