BBS Route · Wyoming · BCR 10
Yellowstone Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 124 species recorded across 34 survey years, still active.
124Species Recorded
34Years Surveyed
1987–2022Span
6Observers
Bird Species Found on Wyoming Yellowstone
Top 40 of 124 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Canada Goose | Anatidae | 2254 | 2022 | +215% | 1989 | |
| American Robin | Turdidae | 48 | 2022 | -43% | 1989 | |
| White-crowned Sparrow | Passerellidae | 47 | 2022 | +39% | 1989 | |
| Mallard | Anatidae | 41 | 2022 | -12% | 1989 | |
| Savannah Sparrow | Passerellidae | 36 | 2022 | -40% | 1989 | |
| Eared Grebe | Podicipedidae | 35 | 2018 | 12× | 2012 | |
| Mountain Chickadee | Paridae | 31 | 2022 | +86% | 1989 | |
| Ruby-crowned Kinglet | Regulidae | 31 | 2022 | +65% | 1989 | |
| Bank Swallow | Hirundinidae | 30 | 2022 | -56% | 1990 | |
| Barrow's Goldeneye | Anatidae | 24 | 2022 | +12% | 1989 | |
| Common Merganser | Anatidae | 20 | 2022 | -55% | 1989 | |
| Spotted Sandpiper | Scolopacidae | 20 | 2022 | +9% | 1989 | |
| American White Pelican | Pelecanidae | 18 | 2022 | -20% | 1989 | |
| Wilson's Snipe | Scolopacidae | 14 | 2022 | +16% | 1989 | |
| Red Crossbill | Fringillidae | 14 | 2022 | +33% | 1989 | |
| Vesper Sparrow | Passerellidae | 12 | 2022 | +171% | 1989 | |
| Lesser Scaup | Anatidae | 11 | 2022 | -46% | 1989 | |
| Lincoln's Sparrow | Passerellidae | 10 | 2022 | +63% | 1990 | |
| Common Goldeneye | Anatidae | 10 | 1999 | n/a | n/a | |
| Clark's Nutcracker | Corvidae | 9 | 2022 | -47% | 1989 | |
| Bufflehead | Anatidae | 9 | 2022 | -38% | 1990 | |
| Gadwall | Anatidae | 8 | 2022 | -82% | 1989 | |
| Sandhill Crane | Gruidae | 8 | 2022 | +0% | 1989 | |
| Cliff Swallow | Hirundinidae | 8 | 2022 | -90% | 1989 | |
| Tree Swallow | Hirundinidae | 8 | 2022 | -37% | 1989 | |
| American Wigeon | Anatidae | 6 | 2022 | -75% | 1989 | |
| Great Blue Heron | Ardeidae | 6 | 2022 | +114% | 1992 | |
| American Crow | Corvidae | 6 | 2022 | +14% | 1993 | |
| Caspian Tern | Laridae | 6 | 1991 | +500% | 1988 | |
| Chipping Sparrow | Passerellidae | 5 | 2022 | -64% | 1989 | |
| Brewer's Sparrow | Passerellidae | 5 | 2022 | +57% | 1992 | |
| Green-winged Teal | Anatidae | 4 | 2021 | -38% | 1989 | |
| Cassin's Finch | Fringillidae | 4 | 2022 | +0% | 1990 | |
| Wilson's Phalarope | Scolopacidae | 4 | 2013 | -48% | 1991 | |
| American Avocet | Recurvirostridae | 4 | 2015 | -88% | 2013 | |
| Franklin's Gull | Laridae | 3 | 1987 | n/a | n/a | |
| Common Raven | Corvidae | 3 | 2022 | -23% | 1989 | |
| Red-winged Blackbird | Icteridae | 3 | 2022 | -35% | 1989 | |
| Western Meadowlark | Icteridae | 3 | 2022 | -22% | 1990 | |
| Pine Siskin | Fringillidae | 3 | 2022 | -44% | 1989 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.