BBS Route · Oklahoma · BCR 18

Clear Lake Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 26 survey years, still active.

Bird Species Found on Oklahoma Clear Lake

Top 40 of 85 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 SwallowHirundinidae2902024+279%1994
Western MeadowlarkIcteridae2182024+93%1994
Mourning DoveColumbidae1682024+219%1994
DickcisselCardinalidae1302024+193%1994
Cassin's SparrowPasserellidae952024+911%1994
Grasshopper SparrowPasserellidae902024122×1997
Lark SparrowPasserellidae642024+193%1994
Horned LarkAlaudidae552024+340%1994
Northern BobwhiteOdontophoridae472024+113%1994
Eastern MeadowlarkIcteridae302024+830%1996
Northern MockingbirdMimidae282024+111%1994
Common NighthawkCaprimulgidae252024+136%1994
Scissor-tailed FlycatcherTyrannidae242024+377%1995
House SparrowPasseridae222024-44%1994
Barn SwallowHirundinidae192024+50%1994
Western KingbirdTyrannidae122024+0%1994
Red-winged BlackbirdIcteridae102024-27%1994
KilldeerCharadriidae72024+83%1994
Swainson's HawkAccipitridae72024+70%1994
Red-headed WoodpeckerPicidae72024+275%1994
Brown-headed CowbirdIcteridae72024+257%1994
Blue GrosbeakCardinalidae72024+440%1997
Bullock's OrioleIcteridae72024+967%2004
Rock PigeonColumbidae72024-39%2012
Turkey VultureCathartidae62024+363%2003
Wild TurkeyPhasianidae62022+43%2000
Bank SwallowHirundinidae62000-57%1999
Great-tailed GrackleIcteridae62024+27%2017
Say's PhoebeTyrannidae52024+133%1996
American CrowCorvidae42024+75%2003
Orchard OrioleIcteridae42024+533%2000
American KestrelFalconidae32024-25%2003
Eastern KingbirdTyrannidae32024+88%1994
American RobinTurdidae32024+50%1998
Northern Rough-winged SwallowHirundinidae32012+50%2003
Lesser Prairie-ChickenPhasianidae32023-47%2014
Eurasian Collared-DoveColumbidae32024-30%2014
Ladder-backed WoodpeckerPicidae32015n/an/a
Mississippi KiteAccipitridae22018+33%2013
European StarlingSturnidae22024-81%2003

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