BirdAnalyst
BBS Route · Missouri · BCR 24

Graydon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 58 survey years, still active.

108Species 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 →
58Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
5Observers

Bird Species Found on Missouri Graydon

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the Graydon 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
Indigo BuntingCardinalidae432025+155%1969
American CrowCorvidae422025+69%1969
DickcisselCardinalidae302025+57%1969
Northern CardinalCardinalidae292025+17%1969
Field SparrowPasserellidae272025-44%1969
Tufted TitmouseParidae272025+50%1969
Mourning DoveColumbidae262025-15%1969
Yellow-billed CuckooCuculidae222025-31%1969
Brown-headed CowbirdIcteridae212025-14%1969
Northern MockingbirdMimidae212025-53%1969
Eastern BluebirdTurdidae212025+192%1969
Eastern MeadowlarkIcteridae202025-46%1969
Eastern Wood-PeweeTyrannidae192025+139%1969
Red-winged BlackbirdIcteridae192025-13%1969
Carolina WrenTroglodytidae192025+400%1969
Blue JayCorvidae172025-11%1969
Chimney SwiftApodidae152022-24%1970
Northern BobwhiteOdontophoridae122025-86%1969
Red-bellied WoodpeckerPicidae102025-27%1969
Blue GrosbeakCardinalidae102025-10%1969
Turkey VultureCathartidae62025+167%1975
Ruby-throated HummingbirdTrochilidae62024+100%1989
American RobinTurdidae62025-57%1969
Northern ParulaParulidae62025+375%1975
Chipping SparrowPasserellidae52025+70%1970
Purple MartinHirundinidae52024+433%1974
Canada GooseAnatidae52024-77%1979
Red-tailed HawkAccipitridae42025+50%1973
Eastern KingbirdTyrannidae42025-39%1969
Eastern TowheePasserellidae42025-70%1969
Yellow-breasted ChatIcteriidae42025+0%1969
White-breasted NuthatchSittidae42025+350%1970
Song SparrowPasserellidae41968n/an/a
Summer TanagerCardinalidae42025+217%1971
Red-eyed VireoVireonidae42024+433%1983
Kentucky WarblerParulidae42025+133%1982
Red-headed WoodpeckerPicidae32025+50%1969
European StarlingSturnidae32025+184%1969
Orchard OrioleIcteridae32024+0%1969
American GoldfinchFringillidae32025+100%1970

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