BirdAnalyst
BBS Route · Virginia · BCR 28

Iron Mtn. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 80 species recorded across 16 survey years, no longer active.

80Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2011Span
2Observers

Bird Species Found on Virginia Iron Mtn.

Top 40 of 80 species by most recent count. Each links to its species trend.

Species recorded on the Iron Mtn. 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 VireoVireonidae642011-21%1998
VeeryTurdidae272011+17%1998
American CrowCorvidae242011-3%1998
American RobinTurdidae192011+93%1998
Eastern TowheePasserellidae152011-14%1998
Tree SwallowHirundinidae122011n/an/a
Common RavenCorvidae102010+75%2002
Black-throated Blue WarblerParulidae92011-18%1998
American GoldfinchFringillidae92010+19%1999
Indigo BuntingCardinalidae82011-48%1998
Black-throated Green WarblerParulidae72011-57%1998
Acadian FlycatcherTyrannidae62011-4%1998
Scarlet TanagerCardinalidae62011-34%1998
Hooded WarblerParulidae62011-11%1998
Song SparrowPasserellidae52011-7%1998
OvenbirdParulidae52011-44%1998
Wood ThrushTurdidae52011-59%1998
Yellow-bellied SapsuckerPicidae52011+220%1999
Worm-eating WarblerParulidae52007+17%2002
Mourning DoveColumbidae42011+71%1998
Gray CatbirdMimidae42011-59%1998
Northern House WrenTroglodytidae42011-36%1998
Tufted TitmouseParidae42011-49%1998
Common GrackleIcteridae42009-50%1999
Northern Rough-winged SwallowHirundinidae42006+500%2002
Blue-headed VireoVireonidae42011+144%1999
Chimney SwiftApodidae32011+50%1999
Common YellowthroatParulidae32011+67%1998
Winter WrenTroglodytidae32010-54%1998
Turkey VultureCathartidae32011+100%1998
Eastern PhoebeTyrannidae32011+100%2000
Barred OwlStrigidae32006+200%1999
Barn SwallowHirundinidae32010+0%2005
Red-breasted NuthatchSittidae32010+50%2008
Pileated WoodpeckerPicidae22011-38%1998
Ruby-throated HummingbirdTrochilidae22009+33%1998
Chipping SparrowPasserellidae22011-50%1998
Northern CardinalCardinalidae22011-40%1998
Black-and-white WarblerParulidae22011-40%1999
Yellow WarblerParulidae22009-33%1999

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