BBS Route · Montana · BCR 17

Dinosaurs H.M. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 6 survey years, still active.

Bird Species Found on Montana Dinosaurs H.M.

Top 40 of 79 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 LarkAlaudidae2092025+38%2021
Western MeadowlarkIcteridae1352025+10%2021
Chestnut-collared LongspurCalcariidae742025+5%2021
Grasshopper SparrowPasserellidae632025+22%2021
Lark BuntingPasserellidae582025-18%2021
Red-winged BlackbirdIcteridae472025+65%2021
Brown-headed CowbirdIcteridae442025+11%2021
Mourning DoveColumbidae402025-11%2021
Canada GooseAnatidae262021n/an/a
Ring-necked PheasantPhasianidae132025-48%2021
Thick-billed LongspurCalcariidae122025+167%2021
Vesper SparrowPasserellidae112025-19%2021
Eared GrebePodicipedidae102025-9%2019
Western KingbirdTyrannidae82025+71%2021
Barn SwallowHirundinidae82025+41%2021
MallardAnatidae72025+33%2021
Marbled GodwitScolopacidae72025+550%2021
Common GoldeneyeAnatidae72019n/an/a
American AvocetRecurvirostridae62024+500%2022
GadwallAnatidae52025+400%2019
KilldeerCharadriidae52025+77%2021
Eastern KingbirdTyrannidae52025+33%2021
House SparrowPasseridae52024-71%2019
Cinnamon TealAnatidae52021n/an/a
Lesser ScaupAnatidae42025-33%2019
Brewer's BlackbirdIcteridae42024-13%2021
Yellow WarblerParulidae42025+300%2019
DickcisselCardinalidae32018n/an/a
Tree SwallowHirundinidae32024+33%2021
Wilson's PhalaropeScolopacidae32025+50%2019
Least FlycatcherTyrannidae22019+100%2018
BobolinkIcteridae22025-69%2019
Brewer's SparrowPasserellidae22021+100%2018
Sprague's PipitMotacillidae22022-60%2018
Northern House WrenTroglodytidae22024-50%2019
American RobinTurdidae22025-36%2021
American WigeonAnatidae22025+0%2019
Blue-winged TealAnatidae22025-14%2021
Ring-necked DuckAnatidae22025+0%2019
BuffleheadAnatidae22019n/an/a

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