BBS Route · Oregon · BCR 9

Davis Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 15 survey years, still active.

Bird Species Found on Oregon Davis Lake

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Davis Lake 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
Fox SparrowPasserellidae442025+862%2002
Dusky FlycatcherTyrannidae392025+808%2002
Mountain ChickadeeParidae312025+222%2002
Olive-sided FlycatcherTyrannidae262025+357%2002
Red-breasted NuthatchSittidae232025+121%2002
American RobinTurdidae222025+700%2002
Hermit ThrushTurdidae162025+96%2002
Common NighthawkCaprimulgidae152025+250%2003
Western TanagerCardinalidae152025+55%2002
Chipping SparrowPasserellidae132025+425%2002
Yellow-headed BlackbirdIcteridae102025+114%2007
Red CrossbillFringillidae102025+20%2002
Cassin's VireoVireonidae102025+329%2002
Hairy WoodpeckerPicidae92025+600%2002
Brewer's BlackbirdIcteridae82024+0%2006
Warbling VireoVireonidae62025-32%2008
White-breasted NuthatchSittidae62025-55%2008
Western Wood-PeweeTyrannidae52025-22%2006
Brown-headed CowbirdIcteridae52025+275%2002
Lazuli BuntingCardinalidae52009-29%2007
Hammond's FlycatcherTyrannidae42025-50%2002
Canada JayCorvidae42022+13%2008
Green-tailed TowheePasserellidae42025+80%2002
Vaux's SwiftApodidae42023+300%2006
Black-headed GrosbeakCardinalidae42025+100%2008
Great Blue HeronArdeidae42024+300%2021
Red-breasted SapsuckerPicidae42025+33%2024
Pied-billed GrebePodicipedidae32025+50%2006
Williamson's SapsuckerPicidae32025+0%2018
Steller's JayCorvidae32025+60%2006
Common RavenCorvidae32025-65%2002
Mourning DoveColumbidae32025+125%2007
Cassin's FinchFringillidae32025-44%2008
Mountain BluebirdTurdidae32025-77%2008
Pine SiskinFringillidae32024+200%2007
Western BluebirdTurdidae32013n/an/a
Wilson's SnipeScolopacidae22025-25%2002
Pileated WoodpeckerPicidae22025+0%2007
Varied ThrushTurdidae22001n/an/a
Bald EagleAccipitridae22024+50%2009

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