BirdAnalyst
BBS Route · Oregon · BCR 9

Flook Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 29 survey years, still active.

83Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2024Span
1Observers

Bird Species Found on Oregon Flook Lake

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Flook 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
Vesper SparrowPasserellidae552024-62%1996
Sage ThrasherMimidae522024-59%1996
Horned LarkAlaudidae512024-80%1996
Western MeadowlarkIcteridae412024-46%1996
Brewer's BlackbirdIcteridae332024+73%1996
Brewer's SparrowPasserellidae332024-68%1996
Rock PigeonColumbidae28200428×2001
Green-tailed TowheePasserellidae162024+37%1996
Red-winged BlackbirdIcteridae122024-18%1996
Northern HarrierAccipitridae92024+50%2000
Common RavenCorvidae92024+133%1998
Rock WrenTroglodytidae82024-78%1996
Black-billed MagpieCorvidae82016+117%2010
Mourning DoveColumbidae72023+260%1997
GadwallAnatidae62024-25%2001
Canada GooseAnatidae61996n/an/a
Red-tailed HawkAccipitridae52024+0%1998
Short-eared OwlStrigidae52024+500%2003
Greater Sage-GrousePhasianidae52024-38%2002
Savannah SparrowPasserellidae42024-72%1996
Cliff SwallowHirundinidae42024-64%1996
Wilson's SnipeScolopacidae42023+40%1998
Long-billed CurlewScolopacidae42024n/an/a
Turkey VultureCathartidae32023+25%2000
American KestrelFalconidae32023+0%1998
Yellow WarblerParulidae32024+20%1998
Brown-headed CowbirdIcteridae32021-58%1998
Yellow-headed BlackbirdIcteridae32005+50%1996
Common PoorwillCaprimulgidae32024+25%2006
Northern ShovelerAnatidae32006n/an/a
ChukarPhasianidae32024n/an/a
Cinnamon TealAnatidae22018+33%2001
Gray FlycatcherTyrannidae22023-64%1996
European StarlingSturnidae22024-20%1997
Sagebrush SparrowPasserellidae22024-53%1996
American WigeonAnatidae22012+0%1996
Loggerhead ShrikeLaniidae22016+167%1998
Common NighthawkCaprimulgidae22024+50%1999
California GullLaridae22011-98%1998
RedheadAnatidae22013+0%1999

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