BBS Route · Wyoming · BCR 10
Reliance Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 46 species recorded across 10 survey years, still active.
46Species Recorded
10Years Surveyed
1977–2018Span
5Observers
Bird Species Found on Wyoming Reliance
Top 40 of 46 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Brewer's Sparrow | Passerellidae | 63 | 2018 | +12% | 1979 | |
| Sagebrush Sparrow | Passerellidae | 61 | 2018 | -30% | 1979 | |
| Sage Thrasher | Mimidae | 51 | 2018 | -41% | 1979 | |
| Horned Lark | Alaudidae | 42 | 2018 | -56% | 1979 | |
| Common Raven | Corvidae | 15 | 2018 | n/a | n/a | |
| Green-tailed Towhee | Passerellidae | 13 | 2018 | +625% | 1979 | |
| Golden Eagle | Accipitridae | 9 | 2018 | +267% | 1982 | |
| Gray Flycatcher | Tyrannidae | 9 | 1981 | n/a | n/a | |
| Rock Wren | Troglodytidae | 8 | 2018 | -54% | 1979 | |
| Chipping Sparrow | Passerellidae | 8 | 1978 | n/a | n/a | |
| Greater Sage-Grouse | Phasianidae | 8 | 1981 | n/a | n/a | |
| Loggerhead Shrike | Laniidae | 7 | 2018 | +14% | 1979 | |
| Black-billed Magpie | Corvidae | 6 | 2001 | -51% | 1979 | |
| Northern Harrier | Accipitridae | 4 | 2001 | +100% | 1977 | |
| House Sparrow | Passeridae | 4 | 2018 | +75% | 1979 | |
| Violet-green Swallow | Hirundinidae | 4 | 2001 | -33% | 1983 | |
| Say's Phoebe | Tyrannidae | 3 | 2018 | -77% | 1979 | |
| Vesper Sparrow | Passerellidae | 3 | 2001 | -66% | 1980 | |
| Red-tailed Hawk | Accipitridae | 3 | 2018 | +100% | 1981 | |
| Killdeer | Charadriidae | 3 | 2001 | -67% | 1981 | |
| Rock Pigeon | Columbidae | 3 | 1981 | n/a | n/a | |
| Mountain Bluebird | Turdidae | 2 | 2018 | -64% | 1979 | |
| Eastern Kingbird | Tyrannidae | 2 | 1978 | n/a | n/a | |
| Western Meadowlark | Icteridae | 2 | 2001 | -50% | 1980 | |
| Ferruginous Hawk | Accipitridae | 2 | 2018 | +0% | 1983 | |
| Ash-throated Flycatcher | Tyrannidae | 2 | 1980 | n/a | n/a | |
| Mourning Dove | Columbidae | 1 | 2018 | -20% | 1979 | |
| Prairie Falcon | Falconidae | 1 | 2018 | -50% | 1979 | |
| American Kestrel | Falconidae | 1 | 1982 | -60% | 1978 | |
| Great Horned Owl | Strigidae | 1 | 1977 | n/a | n/a | |
| Brewer's Blackbird | Icteridae | 1 | 2001 | -56% | 1979 | |
| Savannah Sparrow | Passerellidae | 1 | 1980 | -86% | 1978 | |
| Lark Sparrow | Passerellidae | 1 | 1979 | -80% | 1978 | |
| Yellow Warbler | Parulidae | 1 | 1979 | -50% | 1978 | |
| Canyon Wren | Troglodytidae | 1 | 1981 | -91% | 1978 | |
| American Robin | Turdidae | 1 | 2001 | +67% | 1980 | |
| Common Nighthawk | Caprimulgidae | 1 | 1982 | +0% | 1980 | |
| Thick-billed Longspur | Calcariidae | 1 | 1980 | n/a | n/a | |
| Burrowing Owl | Strigidae | 1 | 1981 | n/a | n/a | |
| White-crowned Sparrow | Passerellidae | 1 | 1981 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.