BirdAnalyst
BBS Route · Indiana · BCR 22

Portage 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 20 survey years, still active.

94Species 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 →
2005–2025Span
3Observers

Bird Species Found on Indiana Portage 2

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Portage 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
Red-winged BlackbirdIcteridae992025+49%2007
American RobinTurdidae832025-41%2007
European StarlingSturnidae702025+29%2007
House SparrowPasseridae642025+111%2007
Ring-billed GullLaridae422025-80%2007
Common GrackleIcteridae342025-68%2007
Mourning DoveColumbidae272025-25%2007
House FinchFringillidae252025+200%2007
Blue JayCorvidae212025+585%2007
Rock PigeonColumbidae202025+147%2008
Song SparrowPasserellidae192025+103%2007
Northern CardinalCardinalidae182025-32%2007
KilldeerCharadriidae162025+250%2007
Gray CatbirdMimidae162025+62%2007
Northern House WrenTroglodytidae162025+600%2007
American CrowCorvidae142025+8%2007
Chimney SwiftApodidae132025+136%2008
Common YellowthroatParulidae112025+130%2008
Brown-headed CowbirdIcteridae102025-36%2007
Barn SwallowHirundinidae72025-54%2007
Canada GooseAnatidae72025-65%2009
American GoldfinchFringillidae62025+400%2007
DickcisselCardinalidae52025+133%2017
Cedar WaxwingBombycillidae52025-7%2007
Warbling VireoVireonidae52025+17%2008
Northern Rough-winged SwallowHirundinidae52025+117%2011
MallardAnatidae42025-82%2007
Red-bellied WoodpeckerPicidae42025+18%2007
Chipping SparrowPasserellidae42025-54%2007
Black-capped ChickadeeParidae42025+57%2007
Rose-breasted GrosbeakCardinalidae42025+20%2008
Horned LarkAlaudidae42023-13%2021
Turkey VultureCathartidae32025+11%2007
Eastern Wood-PeweeTyrannidae32025+22%2007
Baltimore OrioleIcteridae32025-36%2007
Indigo BuntingCardinalidae32025+50%2007
Red-eyed VireoVireonidae32025-33%2007
Tufted TitmouseParidae32025+33%2009
Eastern BluebirdTurdidae32025+133%2008
Yellow-throated VireoVireonidae32015+0%2010

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