BBS Route · Wyoming · BCR 17
Dwyer Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 61 species recorded across 10 survey years, still active.
61Species Recorded
10Years Surveyed
1992–2019Span
4Observers
Bird Species Found on Wyoming Dwyer
Top 40 of 61 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Brewer's Blackbird | Icteridae | 226 | 2019 | +468% | 1995 | |
| Northern Rough-winged Swallow | Hirundinidae | 162 | 2017 | +156% | 1996 | |
| Cliff Swallow | Hirundinidae | 155 | 2019 | -54% | 1995 | |
| Western Meadowlark | Icteridae | 153 | 2019 | -56% | 1995 | |
| Lark Bunting | Passerellidae | 103 | 2019 | -57% | 1995 | |
| Red-winged Blackbird | Icteridae | 51 | 2019 | -73% | 1995 | |
| Barn Swallow | Hirundinidae | 35 | 2019 | +120% | 1995 | |
| European Starling | Sturnidae | 26 | 2019 | +17% | 1995 | |
| Mourning Dove | Columbidae | 20 | 2019 | -58% | 1995 | |
| Killdeer | Charadriidae | 20 | 2019 | +146% | 1996 | |
| Common Grackle | Icteridae | 18 | 2019 | -26% | 1995 | |
| American Robin | Turdidae | 18 | 2019 | -56% | 1995 | |
| American White Pelican | Pelecanidae | 15 | 2019 | +73% | 1995 | |
| American Coot | Rallidae | 13 | 1992 | n/a | n/a | |
| Yellow-headed Blackbird | Icteridae | 10 | 2016 | +233% | 1992 | |
| House Sparrow | Passeridae | 10 | 2016 | -85% | 1995 | |
| Rock Pigeon | Columbidae | 10 | 2019 | -71% | 1996 | |
| Western Grebe | Podicipedidae | 9 | 2016 | +50% | 1992 | |
| Great Horned Owl | Strigidae | 9 | 1992 | n/a | n/a | |
| California Gull | Laridae | 6 | 2019 | +31% | 2014 | |
| Lark Sparrow | Passerellidae | 6 | 2019 | -86% | 1995 | |
| House Finch | Fringillidae | 6 | 1995 | +20% | 1994 | |
| Say's Phoebe | Tyrannidae | 6 | 2014 | +100% | 1996 | |
| Sandhill Crane | Gruidae | 6 | 2017 | +200% | 2006 | |
| Vesper Sparrow | Passerellidae | 5 | 2019 | +67% | 1995 | |
| Horned Lark | Alaudidae | 4 | 2008 | -82% | 1995 | |
| Blue Grosbeak | Cardinalidae | 4 | 1995 | +100% | 1994 | |
| Rock Wren | Troglodytidae | 4 | 1996 | n/a | n/a | |
| Spotted Towhee | Passerellidae | 3 | 2008 | +600% | 1994 | |
| Mallard | Anatidae | 3 | 2019 | +25% | 2006 | |
| Common Merganser | Anatidae | 2 | 1992 | n/a | n/a | |
| Black-crowned Night Heron | Ardeidae | 2 | 1992 | n/a | n/a | |
| Loggerhead Shrike | Laniidae | 2 | 1995 | -33% | 1992 | |
| Ring-billed Gull | Laridae | 2 | 1994 | n/a | n/a | |
| American Goldfinch | Fringillidae | 2 | 1994 | n/a | n/a | |
| Great Blue Heron | Ardeidae | 2 | 2016 | +100% | 1995 | |
| American Kestrel | Falconidae | 1 | 2017 | -71% | 1995 | |
| Common Nighthawk | Caprimulgidae | 1 | 2019 | -54% | 1995 | |
| Eastern Kingbird | Tyrannidae | 1 | 2019 | -62% | 1995 | |
| Western Kingbird | Tyrannidae | 1 | 2017 | -76% | 1995 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.