Species · Wyoming · BBS 2025 Release · 1966–2024
Yellow-billed Cuckoo Population Trend in Wyoming
Yellow-billed Cuckoo in Wyoming has collapsed: down 77% on the route-weighted index since 1980.
Notable Yellow-billed Cuckoo Trends in WyomingNotable 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 →
Yellow-billed Cuckoo has collapsed in Wyoming: down 77% on the route-weighted index since 1980.
Yellow-billed Cuckoo Survey Routes in Wyoming
| 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 → | |||
|---|---|---|---|
| Cumberland | 2 | 1979 | 1979 |
| Green River | 2 | 1981 | 1977 |
| Wyarno | 1 | 1991 | 1984 |
| Sundance | 1 | 2004 | 2004 |
| Sybille Cyn | 1 | 2022 | 2022 |
| Meadowdale | 1 | 1995 | 1995 |
| Lingle | 1 | 2024 | 2024 |
| Yoder | 1 | 2011 | 1980 |
| Mtn View | 1 | 1980 | 1980 |
| Moskee 3 | 1 | 2022 | 2022 |
Yellow-billed Cuckoo Population Trend in Other States
alabamaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsin
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.