BBS Route · Colorado · BCR 18
Sheridan Lak Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 52 species recorded across 15 survey years, still active.
52Species Recorded
15Years Surveyed
1995–2016Span
4Observers
Bird Species Found on Colorado Sheridan Lak
Top 40 of 52 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Western Meadowlark | Icteridae | 88 | 2016 | -39% | 1998 | |
| Red-winged Blackbird | Icteridae | 82 | 2016 | -42% | 1998 | |
| Rock Pigeon | Columbidae | 63 | 2016 | +443% | 2001 | |
| Mourning Dove | Columbidae | 56 | 2016 | -46% | 1998 | |
| Horned Lark | Alaudidae | 56 | 2016 | -2% | 1998 | |
| Lark Bunting | Passerellidae | 38 | 2016 | -84% | 1998 | |
| House Sparrow | Passeridae | 29 | 2016 | +78% | 1998 | |
| Yellow-headed Blackbird | Icteridae | 19 | 2016 | n/a | n/a | |
| Western Kingbird | Tyrannidae | 16 | 2016 | +21% | 1998 | |
| Common Grackle | Icteridae | 14 | 2016 | -99% | 1998 | |
| Lark Sparrow | Passerellidae | 14 | 2013 | +275% | 1997 | |
| Barn Swallow | Hirundinidae | 14 | 2016 | -5% | 1998 | |
| Long-billed Curlew | Scolopacidae | 11 | 1998 | n/a | n/a | |
| Eurasian Collared-Dove | Columbidae | 11 | 2016 | +450% | 2011 | |
| Burrowing Owl | Strigidae | 10 | 2016 | +24% | 2000 | |
| Grasshopper Sparrow | Passerellidae | 9 | 2016 | -83% | 2000 | |
| Dickcissel | Cardinalidae | 8 | 2016 | +500% | 2008 | |
| American Avocet | Recurvirostridae | 6 | 2016 | +50% | 1995 | |
| Swainson's Hawk | Accipitridae | 6 | 2016 | +0% | 1998 | |
| Northern Shoveler | Anatidae | 5 | 1995 | n/a | n/a | |
| Killdeer | Charadriidae | 5 | 2016 | -53% | 1998 | |
| Mountain Plover | Charadriidae | 4 | 2014 | -50% | 2009 | |
| Chihuahuan Raven | Corvidae | 3 | 2013 | n/a | n/a | |
| Gadwall | Anatidae | 2 | 1995 | n/a | n/a | |
| European Starling | Sturnidae | 2 | 2014 | -18% | 1998 | |
| Cassin's Sparrow | Passerellidae | 2 | 2016 | -43% | 1998 | |
| Brown Thrasher | Mimidae | 2 | 2016 | +0% | 2008 | |
| American Robin | Turdidae | 2 | 2016 | -33% | 2001 | |
| Common Nighthawk | Caprimulgidae | 2 | 2011 | +0% | 1997 | |
| Bullock's Oriole | Icteridae | 2 | 2013 | +100% | 1997 | |
| Cliff Swallow | Hirundinidae | 2 | 2012 | +900% | 2007 | |
| Say's Phoebe | Tyrannidae | 2 | 2016 | +67% | 2009 | |
| American Kestrel | Falconidae | 2 | 2016 | +20% | 2011 | |
| American Coot | Rallidae | 2 | 2014 | n/a | n/a | |
| Black-necked Stilt | Recurvirostridae | 2 | 2014 | n/a | n/a | |
| Mallard | Anatidae | 1 | 2014 | -40% | 2011 | |
| Blue-winged Teal | Anatidae | 1 | 2014 | -50% | 1995 | |
| Ring-necked Pheasant | Phasianidae | 1 | 2016 | -80% | 1998 | |
| Orchard Oriole | Icteridae | 1 | 2012 | -75% | 1995 | |
| Brewer's Blackbird | Icteridae | 1 | 1997 | -80% | 1995 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.