BBS Route · Oregon · BCR 9

Bly 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 125 species recorded across 18 survey years, still active.

Bird Species Found on Oregon Bly 2

Top 40 of 125 species by most recent count. Each links to its species trend.

Species recorded on the Bly 2 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
Red-winged BlackbirdIcteridae542025+37%2009
American RobinTurdidae542025-15%2009
Brewer's BlackbirdIcteridae412025-16%2009
Western MeadowlarkIcteridae312025+200%2009
Chipping SparrowPasserellidae302025-23%2009
Mountain ChickadeeParidae262025-47%2009
Mourning DoveColumbidae152025+300%2009
Brown-headed CowbirdIcteridae152025-21%2009
Vesper SparrowPasserellidae152025+79%2009
Canada GooseAnatidae142025+10%2009
Gray FlycatcherTyrannidae132025+167%2009
Mountain BluebirdTurdidae122025+96%2009
MallardAnatidae122025+50%2011
Common RavenCorvidae112025+75%2009
Yellow-headed BlackbirdIcteridae102025+100%2009
Green-tailed TowheePasserellidae102025-26%2009
Bank SwallowHirundinidae102018+240%2009
European StarlingSturnidae102025+0%2010
Wilson's SnipeScolopacidae92025-47%2009
Red CrossbillFringillidae92024+0%2009
Rock WrenTroglodytidae92025+567%2011
Northern House WrenTroglodytidae82025+225%2009
Cassin's FinchFringillidae72025+67%2009
Hairy WoodpeckerPicidae62025+119%2009
Black-billed MagpieCorvidae62025+400%2009
Brewer's SparrowPasserellidae62025-52%2009
Barn SwallowHirundinidae62025-24%2009
Pygmy NuthatchSittidae62022-10%2011
WilletScolopacidae62025+38%2012
Cinnamon TealAnatidae52025+25%2007
KilldeerCharadriidae52025-32%2009
Red-tailed HawkAccipitridae52024+117%2010
Olive-sided FlycatcherTyrannidae52025+140%2009
Savannah SparrowPasserellidae52024-66%2009
Western TanagerCardinalidae52025-27%2009
Townsend's SolitaireTurdidae52025+4%2009
GadwallAnatidae42025+46%2009
Western KingbirdTyrannidae42024+67%2010
Western Wood-PeweeTyrannidae42025-29%2009
American White PelicanPelecanidae42024-14%2010

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.