BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Vermilion Flycatcher In Shortgrass Prairie

All regionsShortgrass PrairieAerial insectivores

Vermilion Flycatcher in Shortgrass Prairie has collapsed: down 77% on the route-weighted index since 1988.

-77%Since 1988TrendPercent 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 →
11Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Vermilion Flycatcher has collapsed in Shortgrass Prairie: down 77% on the route-weighted index since 1988.

Routes In Shortgrass Prairie

Routes recording Vermilion Flycatcher in Shortgrass Prairie.
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 →
LamesaTEXAS21978
KarvalCOLORADO12010
Cooley LakeNEW-MEXICO12017
FloydNEW-MEXICO12015
VariaderoNEW-MEXICO11996
LoganNEW-MEXICO12003
RankinTEXAS11999
WinkTEXAS11978
KermitTEXAS11994
StilesTEXAS12005
Kermit 2TEXAS12004

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.