BirdAnalyst
BBS Route · Michigan · BCR 12

Betchler Lks Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 20 survey years, still active.

91Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2024Span
6Observers

Bird Species Found on Michigan Betchler Lks

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Betchler Lks 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
Hermit ThrushTurdidae542024-45%2004
Red-eyed VireoVireonidae412024-18%2004
Nashville WarblerParulidae412024-29%2004
OvenbirdParulidae402024-38%2004
Common RavenCorvidae182024+21%2004
Chipping SparrowPasserellidae182024-59%2004
Pine WarblerParulidae162024+22%2005
Eastern Wood-PeweeTyrannidae132024-31%2004
Cedar WaxwingBombycillidae132024-61%2004
American RobinTurdidae132024+66%2004
Blue JayCorvidae122024+291%2004
Red-breasted NuthatchSittidae122024+53%2005
White-throated SparrowPasserellidae112024-55%2004
Eastern BluebirdTurdidae112024+100%2004
Blue-headed VireoVireonidae102024+20%2005
Black-throated Green WarblerParulidae102024-43%2004
Black-capped ChickadeeParidae92024-50%2004
Canada GooseAnatidae82019-47%2011
Indigo BuntingCardinalidae72024+150%2007
American RedstartParulidae72024+56%2004
Yellow-bellied SapsuckerPicidae62023+160%2006
Sandhill CraneGruidae52024-18%2004
American CrowCorvidae52024-17%2004
Rose-breasted GrosbeakCardinalidae52024+67%2021
Hairy WoodpeckerPicidae42024+67%2011
Magnolia WarblerParulidae42024+0%2005
Common YellowthroatParulidae42024-55%2004
Golden-crowned KingletRegulidae42023-17%2005
Wood ThrushTurdidae42023n/an/a
Common LoonGaviidae32024+100%2004
Common NighthawkCaprimulgidae32024-13%2010
Yellow-bellied FlycatcherTyrannidae32023-29%1993
Alder FlycatcherTyrannidae32023+14%2005
Evening GrosbeakFringillidae32008-74%2004
Eastern TowheePasserellidae32023+40%2005
Chestnut-sided WarblerParulidae32024+20%2004
Red CrossbillFringillidae32024-58%2005
Black-throated Blue WarblerParulidae32024+0%2013
Swainson's ThrushTurdidae32016-18%2006
Ruffed GrousePhasianidae32019+200%2009

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