BBS Route · Colorado · BCR 16
Buford Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 129 species recorded across 50 survey years, still active.
129Species Recorded
50Years Surveyed
1970–2024Span
5Observers
Bird Species Found on Colorado Buford
Top 40 of 129 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 84 | 2024 | -34% | 1972 | |
| Violet-green Swallow | Hirundinidae | 60 | 2024 | +764% | 1978 | |
| Black-billed Magpie | Corvidae | 45 | 2024 | +9% | 1972 | |
| American Robin | Turdidae | 35 | 2024 | -56% | 1972 | |
| Pinyon Jay | Corvidae | 28 | 1995 | 28× | 1981 | |
| Cliff Swallow | Hirundinidae | 21 | 2024 | -26% | 1973 | |
| Brewer's Blackbird | Icteridae | 20 | 2024 | -56% | 1973 | |
| Yellow Warbler | Parulidae | 18 | 2024 | +173% | 1973 | |
| Northern House Wren | Troglodytidae | 17 | 2024 | +153% | 1981 | |
| American Crow | Corvidae | 16 | 2024 | +600% | 1993 | |
| Green-tailed Towhee | Passerellidae | 14 | 2024 | +147% | 1974 | |
| European Starling | Sturnidae | 13 | 2024 | -53% | 1972 | |
| Song Sparrow | Passerellidae | 13 | 2024 | +35% | 1974 | |
| Western Meadowlark | Icteridae | 11 | 2024 | -55% | 1972 | |
| Great Blue Heron | Ardeidae | 11 | 2023 | +767% | 1975 | |
| Wilson's Snipe | Scolopacidae | 10 | 2024 | +165% | 1972 | |
| Barn Swallow | Hirundinidae | 10 | 2024 | -33% | 1973 | |
| Virginia's Warbler | Parulidae | 10 | 2024 | +283% | 1982 | |
| Common Raven | Corvidae | 9 | 2024 | +200% | 1997 | |
| Mourning Dove | Columbidae | 8 | 2024 | -77% | 1972 | |
| Warbling Vireo | Vireonidae | 8 | 2024 | +0% | 1980 | |
| Brown-headed Cowbird | Icteridae | 7 | 2024 | +267% | 1975 | |
| Chipping Sparrow | Passerellidae | 7 | 2024 | -28% | 1975 | |
| Northern Rough-winged Swallow | Hirundinidae | 7 | 2024 | -18% | 1974 | |
| Canada Goose | Anatidae | 7 | 2024 | -44% | 2002 | |
| Wild Turkey | Phasianidae | 7 | 2022 | +90% | 2000 | |
| Savannah Sparrow | Passerellidae | 6 | 2024 | +8% | 1976 | |
| Common Yellowthroat | Parulidae | 6 | 2024 | +125% | 1999 | |
| Willow Flycatcher | Tyrannidae | 5 | 2024 | -31% | 1974 | |
| Turkey Vulture | Cathartidae | 5 | 2024 | +100% | 1989 | |
| Brewer's Sparrow | Passerellidae | 5 | 2024 | +75% | 1976 | |
| Western Kingbird | Tyrannidae | 5 | 2024 | +267% | 1982 | |
| Killdeer | Charadriidae | 4 | 2023 | -67% | 1972 | |
| Red-tailed Hawk | Accipitridae | 4 | 2024 | +150% | 1978 | |
| House Sparrow | Passeridae | 4 | 2024 | +42% | 1974 | |
| Bullock's Oriole | Icteridae | 4 | 2024 | +86% | 1981 | |
| Spotted Towhee | Passerellidae | 4 | 2024 | +88% | 1981 | |
| Eurasian Collared-Dove | Columbidae | 4 | 2024 | +43% | 2011 | |
| Broad-tailed Hummingbird | Trochilidae | 3 | 2024 | -79% | 1973 | |
| Tree Swallow | Hirundinidae | 3 | 2024 | -86% | 1974 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.