BBS Route · Michigan · BCR 12

Isabella 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 11 survey years, still active.

Bird Species Found on Michigan Isabella 2

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Isabella 2 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
OvenbirdParulidae692025+130%2015
Red-eyed VireoVireonidae442025+27%2015
American RedstartParulidae202025+126%2015
Ring-billed GullLaridae172023+64%2019
Hermit ThrushTurdidae162025+273%2015
Yellow-bellied SapsuckerPicidae162025+91%2019
Nashville WarblerParulidae142025+292%2015
American CrowCorvidae132025-23%2015
American RobinTurdidae132025+18%2015
Least FlycatcherTyrannidae112025+243%2015
Chestnut-sided WarblerParulidae112025+12%2019
Indigo BuntingCardinalidae102025+35%2015
Rose-breasted GrosbeakCardinalidae82025+125%2017
American GoldfinchFringillidae72025-29%2015
Chipping SparrowPasserellidae72025-41%2015
Black-throated Green WarblerParulidae72025+71%2015
Red-breasted NuthatchSittidae72025+22%2017
Wood ThrushTurdidae52025-73%2018
Tennessee WarblerParulidae52014n/an/a
Ruffed GrousePhasianidae52025+100%2019
Common GrackleIcteridae52023n/an/a
Black-capped ChickadeeParidae42025-6%2015
Mourning DoveColumbidae42025+133%2017
Eastern PhoebeTyrannidae42025+100%2015
European StarlingSturnidae42024+20%2017
Pileated WoodpeckerPicidae42025+150%2023
Red-bellied WoodpeckerPicidae42025+300%2023
Eastern Wood-PeweeTyrannidae32025+20%2015
Scarlet TanagerCardinalidae32025+100%2019
Northern House WrenTroglodytidae32025+150%2018
Winter WrenTroglodytidae32023+200%2015
Wild TurkeyPhasianidae32025-44%2022
Barn SwallowHirundinidae32025+50%2017
Tree SwallowHirundinidae32021+200%2019
VeeryTurdidae32024+50%2019
Blue JayCorvidae22025-7%2015
Common RavenCorvidae22025+50%2017
White-throated SparrowPasserellidae22025+0%2018
Cedar WaxwingBombycillidae22024-33%2015
Canada GooseAnatidae22023-60%2017

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