BBS Route · Montana · BCR 17
Flatwillow Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 111 species recorded across 34 survey years, no longer active.
111Species Recorded
34Years Surveyed
1968–2008Span
2Observers
Bird Species Found on Montana Flatwillow
Top 40 of 111 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Western Meadowlark | Icteridae | 210 | 2008 | -54% | 1971 | |
| Lark Bunting | Passerellidae | 72 | 2008 | -24% | 1971 | |
| Brown-headed Cowbird | Icteridae | 47 | 2008 | +313% | 1971 | |
| Ring-necked Pheasant | Phasianidae | 39 | 2008 | -79% | 1971 | |
| Vesper Sparrow | Passerellidae | 36 | 2008 | +14% | 1971 | |
| European Starling | Sturnidae | 35 | 2008 | +160% | 1971 | |
| Mourning Dove | Columbidae | 30 | 2008 | +22% | 1971 | |
| Red-winged Blackbird | Icteridae | 21 | 2008 | +87% | 1971 | |
| Eastern Kingbird | Tyrannidae | 15 | 2008 | +94% | 1971 | |
| American Robin | Turdidae | 15 | 2008 | +82% | 1974 | |
| Brewer's Blackbird | Icteridae | 14 | 2008 | -17% | 1971 | |
| Long-billed Curlew | Scolopacidae | 10 | 2008 | -13% | 1971 | |
| Yellow Warbler | Parulidae | 10 | 2008 | +35% | 1971 | |
| Common Yellowthroat | Parulidae | 9 | 2008 | +160% | 1971 | |
| Chestnut-collared Longspur | Calcariidae | 8 | 2006 | +64% | 1974 | |
| American Avocet | Recurvirostridae | 7 | 2003 | n/a | n/a | |
| Horned Lark | Alaudidae | 6 | 2008 | +4% | 1971 | |
| Barn Swallow | Hirundinidae | 6 | 2008 | +50% | 1971 | |
| American Goldfinch | Fringillidae | 6 | 2008 | +56% | 1974 | |
| Wilson's Snipe | Scolopacidae | 6 | 2008 | +200% | 1986 | |
| Grasshopper Sparrow | Passerellidae | 5 | 2008 | +15% | 1971 | |
| House Sparrow | Passeridae | 5 | 1987 | +13% | 1974 | |
| Gray Catbird | Mimidae | 5 | 2008 | +20% | 1972 | |
| Mountain Plover | Charadriidae | 5 | 1995 | n/a | n/a | |
| Northern House Wren | Troglodytidae | 4 | 2008 | +38% | 1971 | |
| American Crow | Corvidae | 4 | 2008 | +100% | 1975 | |
| Tree Swallow | Hirundinidae | 4 | 1992 | +300% | 1972 | |
| California Gull | Laridae | 4 | 1999 | +625% | 1985 | |
| Ring-billed Gull | Laridae | 4 | 2007 | -11% | 1989 | |
| Marbled Godwit | Scolopacidae | 4 | 2003 | +33% | 1976 | |
| Common Merganser | Anatidae | 4 | 1977 | n/a | n/a | |
| American Coot | Rallidae | 4 | 1991 | +300% | 1982 | |
| Swainson's Hawk | Accipitridae | 3 | 2006 | +50% | 1986 | |
| Black-billed Magpie | Corvidae | 3 | 2008 | -28% | 1971 | |
| Lark Sparrow | Passerellidae | 3 | 2008 | +325% | 1974 | |
| Cliff Swallow | Hirundinidae | 3 | 2008 | -43% | 1971 | |
| American Wigeon | Anatidae | 3 | 1991 | +0% | 1976 | |
| Belted Kingfisher | Alcedinidae | 3 | 1975 | +200% | 1974 | |
| Song Sparrow | Passerellidae | 3 | 2008 | +50% | 1984 | |
| Northern Pintail | Anatidae | 3 | 2003 | -30% | 1983 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.