BBS Route · Alaska · BCR 4
Anvik River Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 72 species recorded across 24 survey years, still active.
72Species Recorded
24Years Surveyed
1998–2024Span
1Observers
Bird Species Found on Alaska Anvik River
Top 40 of 72 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Northern Waterthrush | Parulidae | 111 | 2024 | +248% | 2000 | |
| Fox Sparrow | Passerellidae | 46 | 2024 | +267% | 2000 | |
| Yellow Warbler | Parulidae | 42 | 2024 | +280% | 2000 | |
| Swainson's Thrush | Turdidae | 38 | 2024 | +579% | 2000 | |
| Alder Flycatcher | Tyrannidae | 25 | 2024 | +15% | 2000 | |
| Spotted Sandpiper | Scolopacidae | 18 | 2024 | -15% | 2000 | |
| Common Goldeneye | Anatidae | 16 | 2024 | -39% | 2000 | |
| Varied Thrush | Turdidae | 13 | 2024 | +88% | 2000 | |
| Red-breasted Merganser | Anatidae | 11 | 2024 | -7% | 2000 | |
| Short-billed Gull | Laridae | 10 | 2023 | -75% | 2000 | |
| Bank Swallow | Hirundinidae | 10 | 2024 | -54% | 2000 | |
| Greater White-fronted Goose | Anatidae | 9 | 2024 | +229% | 2011 | |
| Gray-cheeked Thrush | Turdidae | 9 | 2024 | +167% | 2004 | |
| Common Merganser | Anatidae | 8 | 2024 | +78% | 2009 | |
| Least Sandpiper | Scolopacidae | 7 | 2022 | +70% | 2000 | |
| Wilson's Warbler | Parulidae | 7 | 2024 | +48% | 2000 | |
| Canada Goose | Anatidae | 6 | 2022 | -81% | 2000 | |
| American Robin | Turdidae | 6 | 2024 | +600% | 2000 | |
| Cliff Swallow | Hirundinidae | 6 | 2005 | -33% | 2002 | |
| Green-winged Teal | Anatidae | 5 | 2024 | +250% | 2001 | |
| Northern Shoveler | Anatidae | 5 | 2016 | -29% | 1998 | |
| Blackpoll Warbler | Parulidae | 5 | 2024 | -76% | 2000 | |
| Olive-sided Flycatcher | Tyrannidae | 5 | 2022 | +83% | 2001 | |
| Bonaparte's Gull | Laridae | 4 | 2014 | +0% | 1998 | |
| American Wigeon | Anatidae | 4 | 2024 | -61% | 2000 | |
| Solitary Sandpiper | Scolopacidae | 4 | 1998 | n/a | n/a | |
| White-crowned Sparrow | Passerellidae | 4 | 2024 | +9% | 2000 | |
| Hermit Thrush | Turdidae | 4 | 2024 | +100% | 2001 | |
| Pine Grosbeak | Fringillidae | 4 | 2023 | +14% | 2013 | |
| Pacific Loon | Gaviidae | 3 | 2021 | +25% | 2001 | |
| Ruffed Grouse | Phasianidae | 3 | 2024 | -33% | 2008 | |
| Rusty Blackbird | Icteridae | 3 | 2023 | -40% | 2001 | |
| Bohemian Waxwing | Bombycillidae | 3 | 2019 | -79% | 2005 | |
| Red-throated Loon | Gaviidae | 2 | 2024 | -60% | 2003 | |
| Wilson's Snipe | Scolopacidae | 2 | 2024 | +200% | 2003 | |
| Osprey | Pandionidae | 2 | 2024 | +20% | 2000 | |
| Orange-crowned Warbler | Parulidae | 2 | 2024 | +20% | 2001 | |
| Tundra Swan | Anatidae | 2 | 2014 | +0% | 1999 | |
| Bald Eagle | Accipitridae | 2 | 2024 | +0% | 2001 | |
| Lincoln's Sparrow | Passerellidae | 2 | 2024 | -63% | 2019 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.