BBS Route · Wyoming · BCR 10
Leo Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 80 species recorded across 27 survey years, still active.
80Species Recorded
27Years Surveyed
1982–2022Span
2Observers
Bird Species Found on Wyoming Leo
Top 40 of 80 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Western Meadowlark | Icteridae | 65 | 2022 | -15% | 1995 | |
| Sagebrush Sparrow | Passerellidae | 43 | 1982 | n/a | n/a | |
| Vesper Sparrow | Passerellidae | 26 | 2022 | -38% | 1995 | |
| European Starling | Sturnidae | 16 | 2022 | +33% | 1995 | |
| Horned Lark | Alaudidae | 13 | 2022 | -53% | 1995 | |
| Brewer's Sparrow | Passerellidae | 11 | 2019 | -67% | 1996 | |
| American White Pelican | Pelecanidae | 11 | 2002 | 11× | 1997 | |
| Red-winged Blackbird | Icteridae | 8 | 2022 | +33% | 1995 | |
| Common Raven | Corvidae | 8 | 2022 | +8% | 2004 | |
| Black-billed Magpie | Corvidae | 7 | 2022 | -44% | 1995 | |
| American Kestrel | Falconidae | 5 | 2016 | +20% | 1995 | |
| Common Nighthawk | Caprimulgidae | 5 | 2019 | +17% | 1996 | |
| Red Crossbill | Fringillidae | 5 | 2012 | n/a | n/a | |
| American Crow | Corvidae | 4 | 2022 | -37% | 1995 | |
| Sage Thrasher | Mimidae | 4 | 2022 | -39% | 1996 | |
| Mourning Dove | Columbidae | 3 | 2019 | -68% | 1995 | |
| American Robin | Turdidae | 3 | 2022 | -76% | 1995 | |
| American Goldfinch | Fringillidae | 3 | 2019 | -54% | 1997 | |
| Green-tailed Towhee | Passerellidae | 3 | 2022 | +64% | 1996 | |
| Bank Swallow | Hirundinidae | 3 | 1997 | n/a | n/a | |
| Wilson's Phalarope | Scolopacidae | 3 | 2004 | +0% | 1998 | |
| Eastern Kingbird | Tyrannidae | 2 | 2002 | +100% | 1982 | |
| Barn Swallow | Hirundinidae | 2 | 2022 | -55% | 1996 | |
| Rock Wren | Troglodytidae | 2 | 2022 | -86% | 1995 | |
| Mountain Bluebird | Turdidae | 2 | 2019 | -60% | 1995 | |
| Northern House Wren | Troglodytidae | 2 | 2019 | +20% | 1996 | |
| Mallard | Anatidae | 2 | 2008 | +17% | 2001 | |
| Common Grackle | Icteridae | 2 | 2000 | -80% | 1997 | |
| Tree Swallow | Hirundinidae | 2 | 2017 | -29% | 2007 | |
| Violet-green Swallow | Hirundinidae | 2 | 2013 | +100% | 1998 | |
| Green-winged Teal | Anatidae | 2 | 2000 | n/a | n/a | |
| Gray Partridge | Phasianidae | 2 | 2016 | n/a | n/a | |
| Wilson's Snipe | Scolopacidae | 1 | 2019 | -53% | 1995 | |
| Killdeer | Charadriidae | 1 | 2017 | -82% | 1995 | |
| Greater Sage-Grouse | Phasianidae | 1 | 2022 | -25% | 2000 | |
| Northern Harrier | Accipitridae | 1 | 2011 | +0% | 2004 | |
| Red-tailed Hawk | Accipitridae | 1 | 2022 | -25% | 1996 | |
| Golden Eagle | Accipitridae | 1 | 2015 | -17% | 1997 | |
| Brown-headed Cowbird | Icteridae | 1 | 2019 | -70% | 2000 | |
| Brewer's Blackbird | Icteridae | 1 | 2022 | -54% | 1995 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.