BBS Route · Colorado · BCR 18
Bennett Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 58 species recorded across 24 survey years, still active.
58Species Recorded
24Years Surveyed
1995–2018Span
1Observers
Bird Species Found on Colorado Bennett
Top 40 of 58 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Western Meadowlark | Icteridae | 201 | 2018 | -7% | 1997 | |
| Mourning Dove | Columbidae | 113 | 2018 | -29% | 1997 | |
| Horned Lark | Alaudidae | 95 | 2018 | -60% | 1997 | |
| Common Grackle | Icteridae | 91 | 2018 | +77% | 1997 | |
| House Sparrow | Passeridae | 41 | 2018 | -45% | 1997 | |
| Red-winged Blackbird | Icteridae | 40 | 2018 | -28% | 1997 | |
| European Starling | Sturnidae | 21 | 2018 | -80% | 1997 | |
| Eurasian Collared-Dove | Columbidae | 17 | 2018 | +469% | 2013 | |
| Barn Swallow | Hirundinidae | 16 | 2018 | +36% | 1997 | |
| House Finch | Fringillidae | 13 | 2018 | -21% | 1997 | |
| American Robin | Turdidae | 13 | 2018 | -34% | 1997 | |
| Western Kingbird | Tyrannidae | 12 | 2018 | -49% | 1997 | |
| Lark Bunting | Passerellidae | 11 | 2018 | -88% | 1997 | |
| Loggerhead Shrike | Laniidae | 9 | 2018 | +300% | 1997 | |
| Rock Pigeon | Columbidae | 8 | 2018 | +21% | 1997 | |
| Brewer's Blackbird | Icteridae | 7 | 2017 | -40% | 1999 | |
| American Goldfinch | Fringillidae | 6 | 2015 | +13% | 2004 | |
| Vesper Sparrow | Passerellidae | 6 | 2018 | +67% | 1999 | |
| Bullock's Oriole | Icteridae | 5 | 2018 | +9% | 1997 | |
| Yellow Warbler | Parulidae | 5 | 2018 | +20% | 1998 | |
| Swainson's Hawk | Accipitridae | 4 | 2018 | -22% | 1997 | |
| Western Wood-Pewee | Tyrannidae | 4 | 2017 | +133% | 1997 | |
| American Crow | Corvidae | 4 | 2005 | +300% | 2001 | |
| Red-tailed Hawk | Accipitridae | 3 | 2018 | +120% | 1999 | |
| Common Nighthawk | Caprimulgidae | 3 | 2018 | +0% | 1999 | |
| American Kestrel | Falconidae | 2 | 2018 | -43% | 1998 | |
| Eastern Kingbird | Tyrannidae | 2 | 2016 | -78% | 1997 | |
| Grasshopper Sparrow | Passerellidae | 2 | 2018 | -33% | 1997 | |
| Black-capped Chickadee | Paridae | 2 | 1999 | +100% | 1995 | |
| Northern House Wren | Troglodytidae | 2 | 2018 | -40% | 1998 | |
| Wilson's Phalarope | Scolopacidae | 2 | 2001 | n/a | n/a | |
| Blue Grosbeak | Cardinalidae | 2 | 2004 | n/a | n/a | |
| Burrowing Owl | Strigidae | 2 | 2016 | +50% | 2007 | |
| Mallard | Anatidae | 1 | 2016 | -40% | 1997 | |
| Killdeer | Charadriidae | 1 | 2018 | -33% | 1997 | |
| Ring-necked Pheasant | Phasianidae | 1 | 2011 | -80% | 1997 | |
| Say's Phoebe | Tyrannidae | 1 | 2017 | -20% | 2003 | |
| Black-billed Magpie | Corvidae | 1 | 2018 | -42% | 1997 | |
| Brown-headed Cowbird | Icteridae | 1 | 2018 | -36% | 1997 | |
| Lark Sparrow | Passerellidae | 1 | 2011 | -67% | 1998 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.