BirdAnalyst
BBS Route · Missouri · BCR 24

Cassville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 45 survey years, still active.

109Species 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 →
45Years 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
9Observers

Bird Species Found on Missouri Cassville

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Cassville 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
Turkey VultureCathartidae722025+622%1974
European StarlingSturnidae552025-45%1973
Indigo BuntingCardinalidae552025+330%1973
House SparrowPasseridae452025-85%1973
Northern CardinalCardinalidae422025+70%1973
American RobinTurdidae382025+76%1973
Common GrackleIcteridae322025-89%1973
American CrowCorvidae302025+17%1973
Red-winged BlackbirdIcteridae252025-57%1973
Tufted TitmouseParidae242025+34%1973
Brown-headed CowbirdIcteridae232025-25%1973
Eastern MeadowlarkIcteridae232025-80%1973
Mourning DoveColumbidae192025+17%1973
Blue JayCorvidae182025-20%1973
Eastern Wood-PeweeTyrannidae172025+192%1973
Carolina WrenTroglodytidae162025+169%1973
Field SparrowPasserellidae142025-49%1973
Northern MockingbirdMimidae142025-53%1973
Cliff SwallowHirundinidae142024+262%1978
DickcisselCardinalidae112025-30%1973
Eastern KingbirdTyrannidae102025-49%1973
American GoldfinchFringillidae102025+63%1973
Barn SwallowHirundinidae102025-57%1973
Eastern BluebirdTurdidae102025-47%1973
Chipping SparrowPasserellidae102025+72%1974
Carolina ChickadeeParidae92025+380%1974
Yellow-billed CuckooCuculidae82025-77%1973
Western Cattle-EgretArdeidae81994n/an/a
Canada GooseAnatidae82005n/an/a
Lark SparrowPasserellidae62022-9%1973
Great-tailed GrackleIcteridae62013-13%2010
Red-bellied WoodpeckerPicidae52025+61%1973
Scissor-tailed FlycatcherTyrannidae52025+8%1973
KilldeerCharadriidae42025-15%1973
Red-eyed VireoVireonidae42025+29%1974
Chimney SwiftApodidae42024+180%1975
Red-tailed HawkAccipitridae32025+80%1973
Eastern PhoebeTyrannidae32025+167%1973
Common YellowthroatParulidae32025+13%1975
White-breasted NuthatchSittidae32025+67%1973

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