BBS Route · Montana · BCR 17

Dinosaurs H.M. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 78 species recorded across 5 survey years, still active.

Bird Species Found on Montana Dinosaurs H.M.

Top 40 of 78 species by most recent count. Each links to its species trend.

Species recorded on the Dinosaurs H.M. 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
Horned LarkAlaudidae2792024+48%2019
Western MeadowlarkIcteridae2352024+51%2019
Chestnut-collared LongspurCalcariidae1232024-7%2019
Grasshopper SparrowPasserellidae1012024+39%2019
Red-winged BlackbirdIcteridae972024+69%2019
Lark BuntingPasserellidae972024+5%2019
Mourning DoveColumbidae892024-7%2019
Vesper SparrowPasserellidae402024+0%2019
American WigeonAnatidae28202114×2019
Canada GooseAnatidae262021n/an/a
Brown-headed CowbirdIcteridae212024-33%2019
Barn SwallowHirundinidae212024+53%2019
GadwallAnatidae15202115×2018
KilldeerCharadriidae152024+64%2019
Western KingbirdTyrannidae142024+50%2019
Thick-billed LongspurCalcariidae122024+500%2018
Ring-necked PheasantPhasianidae102024-39%2019
Eastern KingbirdTyrannidae92024+217%2019
Wilson's PhalaropeScolopacidae92021+350%2019
Sharp-tailed GrousePhasianidae92024-10%2021
Common NighthawkCaprimulgidae72024+200%2019
Common GoldeneyeAnatidae72019n/an/a
Marbled GodwitScolopacidae62022+500%2018
American AvocetRecurvirostridae62024+500%2022
House SparrowPasseridae52024-71%2019
Cinnamon TealAnatidae52021n/an/a
Blue-winged TealAnatidae42024+0%2019
Brewer's BlackbirdIcteridae42024-13%2021
Say's PhoebeTyrannidae32024-64%2019
BobolinkIcteridae32024-75%2019
DickcisselCardinalidae32018n/an/a
Tree SwallowHirundinidae32024+33%2021
Eared GrebePodicipedidae32021-73%2019
Lesser ScaupAnatidae32021-50%2019
European StarlingSturnidae32022-75%2021
American KestrelFalconidae22024+100%2018
Least FlycatcherTyrannidae22019+100%2018
Brewer's SparrowPasserellidae22021+100%2018
Sprague's PipitMotacillidae22022-60%2018
Northern House WrenTroglodytidae22024-50%2019

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