BBS Route · Colorado · BCR 16
Parlin Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 128 species recorded across 52 survey years, still active.
128Species Recorded
52Years Surveyed
1968–2023Span
4Observers
Bird Species Found on Colorado Parlin
Top 40 of 128 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 34 | 2023 | -3% | 1970 | |
| American Robin | Turdidae | 34 | 2023 | -21% | 1970 | |
| Rock Pigeon | Columbidae | 30 | 1989 | 15× | 1983 | |
| Violet-green Swallow | Hirundinidae | 26 | 2023 | +32% | 1970 | |
| European Starling | Sturnidae | 18 | 2023 | +140% | 1970 | |
| Common Grackle | Icteridae | 16 | 2018 | +250% | 1982 | |
| Broad-tailed Hummingbird | Trochilidae | 15 | 2023 | -2% | 1970 | |
| Yellow Warbler | Parulidae | 15 | 2023 | -28% | 1970 | |
| Northern House Wren | Troglodytidae | 14 | 2023 | +65% | 1970 | |
| Western Wood-Pewee | Tyrannidae | 13 | 2023 | +275% | 1970 | |
| Warbling Vireo | Vireonidae | 12 | 2023 | -27% | 1970 | |
| Savannah Sparrow | Passerellidae | 11 | 2023 | +107% | 1970 | |
| Black-billed Magpie | Corvidae | 10 | 2023 | -24% | 1970 | |
| Song Sparrow | Passerellidae | 10 | 2023 | +8% | 1970 | |
| Lincoln's Sparrow | Passerellidae | 8 | 2023 | +0% | 1970 | |
| Cliff Swallow | Hirundinidae | 8 | 2023 | +194% | 1970 | |
| White-breasted Nuthatch | Sittidae | 8 | 2017 | +150% | 2002 | |
| Spotted Towhee | Passerellidae | 6 | 2018 | +46% | 1996 | |
| Wilson's Snipe | Scolopacidae | 5 | 2023 | +73% | 1970 | |
| Steller's Jay | Corvidae | 5 | 2022 | +200% | 1970 | |
| Pine Siskin | Fringillidae | 5 | 2023 | -62% | 1970 | |
| Mountain Chickadee | Paridae | 5 | 2023 | +0% | 1972 | |
| Ruby-crowned Kinglet | Regulidae | 5 | 2023 | +62% | 1970 | |
| Cassin's Finch | Fringillidae | 5 | 2018 | +120% | 1992 | |
| Swainson's Thrush | Turdidae | 5 | 2022 | +50% | 1978 | |
| Wilson's Phalarope | Scolopacidae | 4 | 1989 | +50% | 1977 | |
| Killdeer | Charadriidae | 4 | 2019 | -10% | 1970 | |
| MacGillivray's Warbler | Parulidae | 4 | 2023 | -25% | 1971 | |
| Bank Swallow | Hirundinidae | 4 | 1983 | n/a | n/a | |
| Canada Goose | Anatidae | 4 | 2014 | +25% | 2004 | |
| Evening Grosbeak | Fringillidae | 4 | 1988 | n/a | n/a | |
| Mourning Dove | Columbidae | 3 | 2023 | +89% | 1970 | |
| Common Nighthawk | Caprimulgidae | 3 | 2023 | +0% | 1970 | |
| American Crow | Corvidae | 3 | 2023 | +200% | 1970 | |
| Western Meadowlark | Icteridae | 3 | 2023 | -77% | 1970 | |
| White-crowned Sparrow | Passerellidae | 3 | 2023 | +14% | 1970 | |
| Wilson's Warbler | Parulidae | 3 | 2022 | -83% | 1970 | |
| Brewer's Sparrow | Passerellidae | 3 | 2021 | +100% | 1985 | |
| Hairy Woodpecker | Picidae | 3 | 2023 | +67% | 1992 | |
| Common Merganser | Anatidae | 3 | 2023 | +57% | 1984 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.