BirdAnalyst
BBS Route · Michigan · BCR 12

Harrietta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 24 survey years, still active.

112Species 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 →
24Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1990–2025Span
4Observers

Bird Species Found on Michigan Harrietta

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the Harrietta 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-eyed VireoVireonidae512025+116%1992
OvenbirdParulidae472025+25%1992
American RobinTurdidae332025+37%1992
American CrowCorvidae252025-12%1992
Eastern TowheePasserellidae24202513×1993
Chipping SparrowPasserellidae222025-15%1992
Black-capped ChickadeeParidae222025+53%1992
Blue JayCorvidae202025+81%1992
Mourning DoveColumbidae192025-35%1992
American RedstartParulidae172025+367%1992
Eastern Wood-PeweeTyrannidae162025-10%1992
Northern House WrenTroglodytidae152025+633%1992
European StarlingSturnidae122025-15%1992
Indigo BuntingCardinalidae122025-28%1992
Field SparrowPasserellidae112025+155%1992
Red-winged BlackbirdIcteridae102025-4%1992
American GoldfinchFringillidae102025+6%1992
Scarlet TanagerCardinalidae92025-8%1992
Wild TurkeyPhasianidae92025+22%1993
Rock PigeonColumbidae92019+200%2011
Yellow-bellied SapsuckerPicidae82025+140%1993
Eastern KingbirdTyrannidae82025-38%1992
Least FlycatcherTyrannidae82025-53%1992
Pine SiskinFringillidae81990n/an/a
Black-and-white WarblerParulidae82025+143%1992
Great Crested FlycatcherTyrannidae72025-66%1992
Song SparrowPasserellidae72025+7%1992
Northern CardinalCardinalidae72025+375%1994
Brown ThrasherMimidae72025+120%1992
Brown CreeperCerthiidae72025+600%2019
Rose-breasted GrosbeakCardinalidae62025-48%1992
Nashville WarblerParulidae62025+375%1993
Pine WarblerParulidae62025+67%1992
Wood ThrushTurdidae52025+54%1992
Tufted TitmouseParidae52025+300%2004
Eastern PhoebeTyrannidae42025+217%1992
Common RavenCorvidae42025+150%1992
Baltimore OrioleIcteridae42025+29%1992
Barn SwallowHirundinidae42017+17%1992
Cedar WaxwingBombycillidae42025-4%1992

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