BirdAnalyst
BBS Route · Michigan · BCR 12

Gilchrist Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 148 species recorded across 39 survey years, still active.

148Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1974–2021Span
5Observers

Bird Species Found on Michigan Gilchrist

Top 40 of 148 species by most recent count. Each links to its species trend.

Species recorded on the Gilchrist 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 VireoVireonidae432021+315%1977
American RedstartParulidae37202116×1977
Common YellowthroatParulidae212021+124%1977
OvenbirdParulidae202021+86%1977
American RobinTurdidae182021-72%1977
Red CrossbillFringillidae172016+171%2009
American CrowCorvidae162021-21%1977
White-throated SparrowPasserellidae152021-22%1977
Indigo BuntingCardinalidae132021+53%1977
Black-throated Green WarblerParulidae122021+346%1977
Black-capped ChickadeeParidae122021+733%1978
Chipping SparrowPasserellidae112021-5%1977
Nashville WarblerParulidae102021+86%1977
Evening GrosbeakFringillidae102001-24%1993
Cedar WaxwingBombycillidae92021+167%1977
VeeryTurdidae92021-38%1977
Alder FlycatcherTyrannidae92021+83%1979
Song SparrowPasserellidae82021-21%1977
European StarlingSturnidae72021-90%1977
Chestnut-sided WarblerParulidae62021+17%1977
Northern House WrenTroglodytidae62021+150%1977
Blue JayCorvidae52021+17%1977
Brown-headed CowbirdIcteridae52017-83%1977
Black-and-white WarblerParulidae52021+13%1977
Blackburnian WarblerParulidae52021+367%1979
Pine WarblerParulidae52021+333%1990
Mourning WarblerParulidae42021-57%1977
Red-breasted MerganserAnatidae42014n/an/a
Upland SandpiperScolopacidae31995+80%1977
American KestrelFalconidae32021+50%1978
Common RavenCorvidae32021+111%1977
Red-winged BlackbirdIcteridae32021-61%1977
American GoldfinchFringillidae32021-11%1977
Savannah SparrowPasserellidae32021-70%1977
Barn SwallowHirundinidae32021-91%1977
Bank SwallowHirundinidae31999+55%1987
Yellow WarblerParulidae32021-17%1987
Winter WrenTroglodytidae32021+0%1977
Hermit ThrushTurdidae32021+7%1977
Cliff SwallowHirundinidae32021-70%1978

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