BBS Route · Washington · BCR 9

Arid Land Er Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 39 species recorded across 3 survey years, no longer active.

Bird Species Found on Washington Arid Land Er

Top 39 of 39 species by most recent count. Each links to its species trend.

Species recorded on the Arid Land Er route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Horned LarkAlaudidae3291996+29%1988
Western MeadowlarkIcteridae2921996+16%1988
Common RavenCorvidae331996+725%1988
Grasshopper SparrowPasserellidae291996+12%1988
Red-winged BlackbirdIcteridae141996+180%1988
Mourning DoveColumbidae111996-58%1988
Common NighthawkCaprimulgidae111996+10%1988
Brown-headed CowbirdIcteridae81989+700%1988
Loggerhead ShrikeLaniidae81996-47%1988
European StarlingSturnidae71996-84%1988
Brewer's BlackbirdIcteridae61988n/an/a
Lark SparrowPasserellidae61996-75%1988
Ring-necked PheasantPhasianidae41996+33%1988
Western KingbirdTyrannidae41996-50%1988
Black-billed MagpieCorvidae41996-90%1988
Northern HarrierAccipitridae31989+200%1988
Bullock's OrioleIcteridae31996-40%1988
Vesper SparrowPasserellidae31996-67%1988
Savannah SparrowPasserellidae31996-77%1988
Sage ThrasherMimidae31988n/an/a
American CrowCorvidae31989n/an/a
Brewer's SparrowPasserellidae31996+200%1989
Burrowing OwlStrigidae21989+100%1988
Sagebrush SparrowPasserellidae21996-95%1988
Say's PhoebeTyrannidae21996+100%1989
Song SparrowPasserellidae21989n/an/a
House SparrowPasseridae21996n/an/a
Red-breasted NuthatchSittidae21996n/an/a
Long-billed CurlewScolopacidae11989-50%1988
KilldeerCharadriidae11989+0%1988
Red-tailed HawkAccipitridae11996-50%1988
Swainson's HawkAccipitridae11996-83%1988
Barn SwallowHirundinidae11996-50%1988
Rock WrenTroglodytidae11989-67%1988
MallardAnatidae11989n/an/a
Great Horned OwlStrigidae11989n/an/a
Eastern KingbirdTyrannidae11996n/an/a
Tree SwallowHirundinidae11996n/an/a
Yellow-breasted ChatIcteriidae11996n/an/a

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.