BBS Route · North Dakota · BCR 17
Gorham Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 117 species recorded across 47 survey years, still active.
117Species Recorded
47Years Surveyed
1968–2018Span
9Observers
Bird Species Found on North Dakota Gorham
Top 40 of 117 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Western Meadowlark | Icteridae | 141 | 2018 | +0% | 1970 | |
| Brown-headed Cowbird | Icteridae | 111 | 2018 | +420% | 1970 | |
| Cliff Swallow | Hirundinidae | 107 | 2018 | +209% | 1998 | |
| Red-winged Blackbird | Icteridae | 77 | 2018 | +172% | 1970 | |
| Mourning Dove | Columbidae | 75 | 2018 | +147% | 1970 | |
| Bobolink | Icteridae | 46 | 2018 | +488% | 1971 | |
| Savannah Sparrow | Passerellidae | 42 | 2018 | 13× | 1971 | |
| Grasshopper Sparrow | Passerellidae | 42 | 2018 | +191% | 1970 | |
| Common Grackle | Icteridae | 37 | 2018 | +608% | 1970 | |
| American Robin | Turdidae | 37 | 2018 | +700% | 1970 | |
| Mallard | Anatidae | 30 | 2018 | +285% | 1970 | |
| Clay-colored Sparrow | Passerellidae | 27 | 2018 | +513% | 1971 | |
| Eastern Kingbird | Tyrannidae | 23 | 2018 | +196% | 1970 | |
| Killdeer | Charadriidae | 21 | 2018 | +135% | 1970 | |
| Horned Lark | Alaudidae | 21 | 2018 | -68% | 1970 | |
| Vesper Sparrow | Passerellidae | 19 | 2018 | +6% | 1971 | |
| Greater Sage-Grouse | Phasianidae | 18 | 1997 | n/a | n/a | |
| Ring-necked Pheasant | Phasianidae | 16 | 2018 | +193% | 1970 | |
| Barn Swallow | Hirundinidae | 15 | 2018 | +26% | 1970 | |
| Western Kingbird | Tyrannidae | 12 | 2018 | 11× | 1970 | |
| Northern House Wren | Troglodytidae | 10 | 2018 | +286% | 1974 | |
| Tree Swallow | Hirundinidae | 10 | 2018 | +420% | 2001 | |
| Canvasback | Anatidae | 10 | 2016 | +171% | 1991 | |
| Cedar Waxwing | Bombycillidae | 10 | 2018 | +100% | 2010 | |
| Bank Swallow | Hirundinidae | 9 | 1996 | +90% | 1976 | |
| Wilson's Snipe | Scolopacidae | 8 | 2018 | +120% | 2002 | |
| American Wigeon | Anatidae | 8 | 2016 | +0% | 1986 | |
| Yellow Warbler | Parulidae | 7 | 2018 | +975% | 1970 | |
| Upland Sandpiper | Scolopacidae | 6 | 2018 | +55% | 1970 | |
| Swainson's Hawk | Accipitridae | 6 | 2018 | +350% | 1970 | |
| European Starling | Sturnidae | 6 | 2016 | +17% | 1970 | |
| Yellow-headed Blackbird | Icteridae | 6 | 2018 | +350% | 1970 | |
| Lark Sparrow | Passerellidae | 6 | 2018 | +50% | 1972 | |
| Northern Shoveler | Anatidae | 6 | 2016 | +167% | 1990 | |
| Blue-winged Teal | Anatidae | 5 | 2018 | +10% | 1970 | |
| Sharp-tailed Grouse | Phasianidae | 5 | 2018 | +83% | 1975 | |
| Northern Harrier | Accipitridae | 5 | 2018 | -27% | 1970 | |
| Brewer's Blackbird | Icteridae | 5 | 2018 | +456% | 1970 | |
| American Goldfinch | Fringillidae | 5 | 2018 | +113% | 1972 | |
| Spotted Towhee | Passerellidae | 5 | 2018 | +111% | 1970 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.