BirdAnalyst
BBS Route · Missouri · BCR 26

Deventer Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 55 survey years, still active.

111Species 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 →
55Years 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
13Observers

Bird Species Found on Missouri Deventer

Top 40 of 111 species by most recent count. Each links to its species trend.

Species recorded on the Deventer 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
Red-winged BlackbirdIcteridae2272025+8%1969
Northern Rough-winged SwallowHirundinidae2222024+33%1976
DickcisselCardinalidae982025+80%1969
Indigo BuntingCardinalidae952025+123%1969
European StarlingSturnidae942025-32%1969
Brown-headed CowbirdIcteridae40202513×1969
Common YellowthroatParulidae302025-44%1969
KilldeerCharadriidae292025+324%1969
Barn SwallowHirundinidae272025+16%1969
Mourning DoveColumbidae232025-53%1969
Northern CardinalCardinalidae202025+15%1969
Eastern MeadowlarkIcteridae192025-60%1969
Northern MockingbirdMimidae162025-36%1969
Blue GrosbeakCardinalidae162025+700%2008
Horned LarkAlaudidae122025+30%1969
Northern BobwhiteOdontophoridae112025+49%1969
Common GrackleIcteridae112025-56%1969
American CrowCorvidae102025-22%1969
Common NighthawkCaprimulgidae102025+567%2018
Carolina WrenTroglodytidae92025+40%1969
Cliff SwallowHirundinidae9202531×2013
Purple MartinHirundinidae82025+24%1969
Canada GooseAnatidae82025+400%2011
Prothonotary WarblerParulidae72023+300%1969
House SparrowPasseridae72025-95%1969
American RobinTurdidae72025+346%1969
Blue-winged TealAnatidae71973n/an/a
Black-bellied Whistling-DuckAnatidae72025n/an/a
Red-headed WoodpeckerPicidae62023+100%1969
Tufted TitmouseParidae62025+93%1969
Fish CrowCorvidae62025+350%1975
Rock PigeonColumbidae52025-73%1969
Blue JayCorvidae52025+92%1970
Yellow-breasted ChatIcteriidae52025+47%1969
Eastern BluebirdTurdidae52025+500%1990
Orchard OrioleIcteridae42025+143%1969
Song SparrowPasserellidae42024-40%1969
Warbling VireoVireonidae42025+29%1969
Great Blue HeronArdeidae42023+150%1984
Snowy EgretArdeidae42011+75%1990

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