BirdAnalyst
BBS Route · Oklahoma · BCR 18

Clear Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 86 species recorded across 27 survey years, still active.

86Species 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
3Observers

Bird Species Found on Oklahoma Clear Lake

Top 40 of 86 species by most recent count. Each links to its species trend.

Species recorded on the Clear 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
Cliff SwallowHirundinidae3022025+322%1994
Mourning DoveColumbidae2522025+227%1994
Western MeadowlarkIcteridae2162025+67%1994
DickcisselCardinalidae1942025+249%1994
Grasshopper SparrowPasserellidae842025102×1997
Northern BobwhiteOdontophoridae762025+93%1994
Horned LarkAlaudidae572025+295%1994
Lark SparrowPasserellidae542025+130%1994
European StarlingSturnidae432025-41%2003
Eastern MeadowlarkIcteridae422025+880%1996
Cassin's SparrowPasserellidae382025+625%1994
Red-winged BlackbirdIcteridae322025-26%1994
House SparrowPasseridae312025-36%1994
Barn SwallowHirundinidae272025+75%1994
Scissor-tailed FlycatcherTyrannidae222025+412%1995
Common NighthawkCaprimulgidae202025+38%1994
Turkey VultureCathartidae162025+238%2003
Brown-headed CowbirdIcteridae142025+371%1994
Northern MockingbirdMimidae142025+94%1994
Great-tailed GrackleIcteridae112025+32%2017
Common GrackleIcteridae102025+244%1996
KilldeerCharadriidae92025+117%1994
Western KingbirdTyrannidae62025-3%1994
Wild TurkeyPhasianidae62022+43%2000
Bank SwallowHirundinidae62000-57%1999
Great Horned OwlStrigidae52025+367%2006
Eastern KingbirdTyrannidae52025+100%1994
Red-tailed HawkAccipitridae52025+50%2000
Red-headed WoodpeckerPicidae42025+275%1994
American CrowCorvidae42024+75%2003
American RobinTurdidae42025+100%1998
Burrowing OwlStrigidae42025+20%2000
Blue GrosbeakCardinalidae32025+320%1997
Great Crested FlycatcherTyrannidae32025+67%2013
Say's PhoebeTyrannidae32025+44%1996
Northern Rough-winged SwallowHirundinidae32012+50%2003
Rock PigeonColumbidae32025-28%2012
Lesser Prairie-ChickenPhasianidae32023-47%2014
Ladder-backed WoodpeckerPicidae32015n/an/a
Mississippi KiteAccipitridae22018+33%2013

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