BirdAnalyst
BBS Route · Indiana · BCR 22

Portage 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 19 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2024Span
3Observers

Bird Species Found on Indiana Portage 2

Top 40 of 91 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
Ring-billed GullLaridae692024-84%2007
American RobinTurdidae482024-46%2007
Red-winged BlackbirdIcteridae462024+41%2007
Blue JayCorvidae432024+531%2007
American GoldfinchFringillidae392024+508%2007
House SparrowPasseridae322024+105%2007
Northern CardinalCardinalidae292024-14%2007
Song SparrowPasserellidae272024+128%2007
Canada GooseAnatidae262024+6%2009
Mourning DoveColumbidae252024-23%2007
Rock PigeonColumbidae232024+111%2008
European StarlingSturnidae232024-4%2007
Common GrackleIcteridae222024-72%2007
American CrowCorvidae182024+25%2007
House FinchFringillidae172024+161%2007
Northern House WrenTroglodytidae172024+557%2007
Indigo BuntingCardinalidae112024+100%2007
Eastern KingbirdTyrannidae102024+111%2007
Brown-headed CowbirdIcteridae102024-33%2007
Gray CatbirdMimidae102024+57%2007
Chipping SparrowPasserellidae72024-31%2007
Tree SwallowHirundinidae72023-9%2008
White-breasted NuthatchSittidae72024+150%2010
Common YellowthroatParulidae62024+100%2008
Black-capped ChickadeeParidae62024+14%2007
KilldeerCharadriidae52024+150%2007
Eastern Wood-PeweeTyrannidae52024+33%2007
Chimney SwiftApodidae52023+46%2008
Wood DuckAnatidae42024-22%2009
Red-bellied WoodpeckerPicidae42024+27%2007
Horned LarkAlaudidae42023-13%2021
Great Blue HeronArdeidae32023-36%2007
Turkey VultureCathartidae32024+22%2007
Downy WoodpeckerPicidae32024+183%2007
Barn SwallowHirundinidae32024-57%2007
Cedar WaxwingBombycillidae32024-14%2007
Red-headed WoodpeckerPicidae32024+25%2011
Northern Rough-winged SwallowHirundinidae32023+50%2011
Yellow-throated VireoVireonidae32015+0%2010
Yellow WarblerParulidae32023-75%2008

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