BirdAnalyst
BBS Route · Oregon · BCR 9

Flook Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 84 species recorded across 30 survey years, still active.

84Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2025Span
1Observers

Bird Species Found on Oregon Flook Lake

Top 40 of 84 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
Horned LarkAlaudidae562025-70%1996
Vesper SparrowPasserellidae482025-49%1996
Brewer's BlackbirdIcteridae412025+121%1996
Brewer's SparrowPasserellidae392025-65%1996
Western MeadowlarkIcteridae302025-32%1996
Rock PigeonColumbidae28200428×2001
Sage ThrasherMimidae192025-59%1996
Red-winged BlackbirdIcteridae102025-16%1996
Sagebrush SparrowPasserellidae102025-18%1996
Common RavenCorvidae92025+200%1998
Green-tailed TowheePasserellidae82025+68%1996
Brown-headed CowbirdIcteridae82025+0%1998
Black-billed MagpieCorvidae82016+117%2010
White-faced IbisThreskiornithidae72025n/an/a
Canada GooseAnatidae61996n/an/a
Red-tailed HawkAccipitridae52025+33%1998
Short-eared OwlStrigidae52024+500%2003
Mourning DoveColumbidae42025+140%1997
Northern HarrierAccipitridae42025+75%2000
Wilson's SnipeScolopacidae42023+40%1998
House FinchFringillidae42025+40%2000
Song SparrowPasserellidae42025+20%2004
Long-billed CurlewScolopacidae42024n/an/a
Turkey VultureCathartidae32025+75%2000
Savannah SparrowPasserellidae32025-69%1996
Rock WrenTroglodytidae32025-76%1996
American RobinTurdidae32025-46%1996
Yellow-headed BlackbirdIcteridae32005+50%1996
Loggerhead ShrikeLaniidae32025+100%1998
Common PoorwillCaprimulgidae32024+25%2006
Greater Sage-GrousePhasianidae32025-29%2002
Northern ShovelerAnatidae32006n/an/a
ChukarPhasianidae32024n/an/a
Cinnamon TealAnatidae22018+33%2001
European StarlingSturnidae22024-20%1997
GadwallAnatidae22025-25%2001
American CootRallidae22025-33%1998
Yellow WarblerParulidae22025+40%1998
American WigeonAnatidae22012+0%1996
Common NighthawkCaprimulgidae22024+50%1999

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