BBS Route · Idaho · BCR 9
Triangle Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 126 species recorded across 33 survey years, still active.
126Species Recorded
33Years Surveyed
1985–2024Span
5Observers
Bird Species Found on Idaho Triangle
Top 40 of 126 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| House Sparrow | Passeridae | 35 | 2024 | +223% | 1988 | |
| Western Meadowlark | Icteridae | 32 | 2024 | -50% | 1987 | |
| Brewer's Blackbird | Icteridae | 27 | 2024 | +31% | 1987 | |
| Vesper Sparrow | Passerellidae | 26 | 2024 | -34% | 1987 | |
| European Starling | Sturnidae | 21 | 2024 | +79% | 1987 | |
| Brewer's Sparrow | Passerellidae | 20 | 2024 | +49% | 1987 | |
| Common Raven | Corvidae | 15 | 2024 | +729% | 1987 | |
| Red Crossbill | Fringillidae | 14 | 2021 | +180% | 2010 | |
| Sage Thrasher | Mimidae | 13 | 2024 | +55% | 1987 | |
| California Quail | Odontophoridae | 12 | 2024 | +138% | 1987 | |
| Black-billed Magpie | Corvidae | 12 | 2024 | +733% | 1987 | |
| Northern Rough-winged Swallow | Hirundinidae | 12 | 2021 | +67% | 1989 | |
| American Robin | Turdidae | 12 | 2024 | -48% | 1987 | |
| Horned Lark | Alaudidae | 11 | 2024 | -70% | 1987 | |
| Cliff Swallow | Hirundinidae | 11 | 2021 | +121% | 1989 | |
| Mourning Dove | Columbidae | 10 | 2024 | +4% | 1987 | |
| American Crow | Corvidae | 10 | 2024 | +0% | 1987 | |
| Red-winged Blackbird | Icteridae | 9 | 2024 | -7% | 1987 | |
| Lark Sparrow | Passerellidae | 9 | 2024 | -6% | 1987 | |
| Dusky Flycatcher | Tyrannidae | 9 | 2021 | +38% | 1997 | |
| Gray Flycatcher | Tyrannidae | 7 | 2024 | -27% | 1995 | |
| Bank Swallow | Hirundinidae | 7 | 2021 | -50% | 2009 | |
| Bullock's Oriole | Icteridae | 5 | 2024 | +33% | 1988 | |
| Wilson's Snipe | Scolopacidae | 5 | 2021 | +60% | 1989 | |
| Cedar Waxwing | Bombycillidae | 5 | 2021 | -81% | 2000 | |
| Forster's Tern | Laridae | 5 | 2014 | +100% | 2009 | |
| Killdeer | Charadriidae | 4 | 2024 | +0% | 1987 | |
| Brown-headed Cowbird | Icteridae | 4 | 2024 | -46% | 1987 | |
| Rock Pigeon | Columbidae | 4 | 2021 | +50% | 1991 | |
| Western Tanager | Cardinalidae | 4 | 2024 | +11% | 1991 | |
| Savannah Sparrow | Passerellidae | 4 | 2014 | -9% | 1996 | |
| Black-throated Sparrow | Passerellidae | 4 | 2010 | +20% | 1997 | |
| Northern Shoveler | Anatidae | 4 | 2005 | +100% | 1996 | |
| Ring-necked Duck | Anatidae | 4 | 2021 | +486% | 2008 | |
| Eurasian Collared-Dove | Columbidae | 4 | 2024 | +83% | 2012 | |
| Spotted Sandpiper | Scolopacidae | 3 | 2015 | +50% | 1995 | |
| Common Nighthawk | Caprimulgidae | 3 | 2024 | -15% | 1987 | |
| Western Kingbird | Tyrannidae | 3 | 2024 | +57% | 1987 | |
| Chipping Sparrow | Passerellidae | 3 | 2024 | -35% | 1988 | |
| Pine Siskin | Fringillidae | 3 | 2021 | +14% | 1990 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.