BBS Route · Wyoming · BCR 10
Gas Hills 2 Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 37 species recorded across 10 survey years, still active.
37Species Recorded
10Years Surveyed
2013–2024Span
1Observers
Bird Species Found on Wyoming Gas Hills 2
Top 37 of 37 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Lark Bunting | Passerellidae | 246 | 2024 | +199% | 2015 | |
| Western Meadowlark | Icteridae | 75 | 2024 | +45% | 2015 | |
| Horned Lark | Alaudidae | 58 | 2024 | -56% | 2015 | |
| Barn Swallow | Hirundinidae | 17 | 2024 | +233% | 2017 | |
| Brewer's Blackbird | Icteridae | 11 | 2023 | +225% | 2015 | |
| Mourning Dove | Columbidae | 10 | 2024 | -16% | 2015 | |
| Common Raven | Corvidae | 6 | 2024 | -15% | 2015 | |
| Killdeer | Charadriidae | 6 | 2024 | +167% | 2019 | |
| Sage Thrasher | Mimidae | 6 | 2024 | +325% | 2018 | |
| Vesper Sparrow | Passerellidae | 5 | 2024 | +86% | 2015 | |
| Common Nighthawk | Caprimulgidae | 3 | 2024 | -10% | 2017 | |
| Loggerhead Shrike | Laniidae | 3 | 2024 | -57% | 2015 | |
| Canada Goose | Anatidae | 3 | 2015 | n/a | n/a | |
| Golden Eagle | Accipitridae | 2 | 2023 | +25% | 2018 | |
| Red-winged Blackbird | Icteridae | 2 | 2024 | -27% | 2017 | |
| Song Sparrow | Passerellidae | 2 | 2023 | -93% | 2015 | |
| Brewer's Sparrow | Passerellidae | 2 | 2024 | -62% | 2017 | |
| Rock Wren | Troglodytidae | 2 | 2015 | n/a | n/a | |
| Sandhill Crane | Gruidae | 2 | 2024 | n/a | n/a | |
| Short-eared Owl | Strigidae | 2 | 2024 | n/a | n/a | |
| American Crow | Corvidae | 1 | 2013 | n/a | n/a | |
| Grasshopper Sparrow | Passerellidae | 1 | 2024 | -69% | 2017 | |
| Lark Sparrow | Passerellidae | 1 | 2023 | +400% | 2015 | |
| Sagebrush Sparrow | Passerellidae | 1 | 2024 | +8% | 2015 | |
| Green-tailed Towhee | Passerellidae | 1 | 2013 | n/a | n/a | |
| Red-tailed Hawk | Accipitridae | 1 | 2018 | +0% | 2014 | |
| Black-billed Magpie | Corvidae | 1 | 2024 | +150% | 2017 | |
| Gray Catbird | Mimidae | 1 | 2023 | -50% | 2014 | |
| American Robin | Turdidae | 1 | 2017 | -75% | 2014 | |
| Burrowing Owl | Strigidae | 1 | 2024 | +0% | 2017 | |
| Bank Swallow | Hirundinidae | 1 | 2018 | n/a | n/a | |
| Greater Sage-Grouse | Phasianidae | 1 | 2022 | +0% | 2019 | |
| Swainson's Hawk | Accipitridae | 1 | 2023 | +0% | 2019 | |
| Ferruginous Hawk | Accipitridae | 1 | 2021 | n/a | n/a | |
| Say's Phoebe | Tyrannidae | 1 | 2024 | +0% | 2023 | |
| Brown-headed Cowbird | Icteridae | 1 | 2023 | n/a | n/a | |
| Northern Harrier | Accipitridae | 1 | 2024 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.