BBS Route · Colorado · BCR 18
Kirk Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 60 species recorded across 19 survey years, still active.
60Species Recorded
19Years Surveyed
1992–2023Span
4Observers
Bird Species Found on Colorado Kirk
Top 40 of 60 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Lark Bunting | Passerellidae | 174 | 2023 | -19% | 1994 | |
| Horned Lark | Alaudidae | 115 | 2023 | +29% | 1994 | |
| Western Meadowlark | Icteridae | 103 | 2023 | -50% | 1994 | |
| Mourning Dove | Columbidae | 90 | 2023 | +13% | 1994 | |
| Western Kingbird | Tyrannidae | 54 | 2023 | +111% | 1994 | |
| Red-winged Blackbird | Icteridae | 54 | 2023 | -25% | 1994 | |
| Grasshopper Sparrow | Passerellidae | 41 | 2023 | -44% | 1994 | |
| Common Grackle | Icteridae | 33 | 2023 | +49% | 1994 | |
| House Sparrow | Passeridae | 32 | 2023 | -35% | 1994 | |
| Lark Sparrow | Passerellidae | 31 | 2023 | +55% | 1994 | |
| Cassin's Sparrow | Passerellidae | 27 | 2023 | -58% | 1994 | |
| Barn Swallow | Hirundinidae | 26 | 2023 | +71% | 1994 | |
| Killdeer | Charadriidae | 17 | 2023 | +93% | 1994 | |
| American Robin | Turdidae | 17 | 2023 | +433% | 1999 | |
| European Starling | Sturnidae | 13 | 2023 | +236% | 2000 | |
| Brown-headed Cowbird | Icteridae | 12 | 2023 | +57% | 1999 | |
| Eurasian Collared-Dove | Columbidae | 10 | 2023 | +900% | 2013 | |
| Burrowing Owl | Strigidae | 9 | 2023 | +117% | 2002 | |
| Say's Phoebe | Tyrannidae | 8 | 2023 | +267% | 2003 | |
| Vesper Sparrow | Passerellidae | 8 | 2023 | +0% | 2003 | |
| Bullock's Oriole | Icteridae | 7 | 2023 | +40% | 2022 | |
| Northern Mockingbird | Mimidae | 6 | 2023 | +100% | 2001 | |
| Swainson's Hawk | Accipitridae | 5 | 2023 | +60% | 1994 | |
| House Finch | Fringillidae | 5 | 2023 | +250% | 2004 | |
| Dickcissel | Cardinalidae | 5 | 2022 | -22% | 2005 | |
| Mallard | Anatidae | 4 | 2023 | +8% | 2000 | |
| Red-tailed Hawk | Accipitridae | 4 | 2023 | +200% | 2002 | |
| Brewer's Sparrow | Passerellidae | 4 | 2023 | +80% | 2001 | |
| Brown Thrasher | Mimidae | 4 | 2023 | +300% | 2005 | |
| Northern Pintail | Anatidae | 4 | 2009 | n/a | n/a | |
| Rock Pigeon | Columbidae | 3 | 2023 | -9% | 1994 | |
| Brewer's Blackbird | Icteridae | 3 | 2023 | 11× | 2000 | |
| Orchard Oriole | Icteridae | 3 | 2023 | +17% | 2009 | |
| Loggerhead Shrike | Laniidae | 2 | 2023 | +57% | 2000 | |
| Northern Harrier | Accipitridae | 2 | 2023 | +167% | 2004 | |
| Great Horned Owl | Strigidae | 2 | 2023 | +20% | 2005 | |
| American Barn Owl | Tytonidae | 2 | 2003 | n/a | n/a | |
| Cinnamon Teal | Anatidae | 2 | 2009 | +0% | 2004 | |
| American Avocet | Recurvirostridae | 2 | 2005 | n/a | n/a | |
| American Kestrel | Falconidae | 2 | 2005 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.