BBS Route · Alaska · BCR 4
Maclaren Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 71 species recorded across 34 survey years, still active.
71Species Recorded
34Years Surveyed
1982–2024Span
6Observers
Bird Species Found on Alaska Maclaren
Top 40 of 71 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Arctic Warbler | Phylloscopidae | 93 | 2024 | +28% | 1986 | |
| White-crowned Sparrow | Passerellidae | 78 | 2024 | +37% | 1986 | |
| American Tree Sparrow | Passerellidae | 46 | 2024 | -52% | 1986 | |
| Wilson's Warbler | Parulidae | 42 | 2024 | -31% | 1986 | |
| Gray-cheeked Thrush | Turdidae | 15 | 2024 | -42% | 1986 | |
| Savannah Sparrow | Passerellidae | 13 | 2024 | -40% | 1986 | |
| Yellow Warbler | Parulidae | 12 | 2024 | +700% | 1986 | |
| Wilson's Snipe | Scolopacidae | 9 | 2024 | -66% | 1986 | |
| Cliff Swallow | Hirundinidae | 9 | 2024 | -95% | 1986 | |
| Bank Swallow | Hirundinidae | 9 | 2024 | -49% | 1986 | |
| American Wigeon | Anatidae | 8 | 2022 | +57% | 1987 | |
| Lesser Scaup | Anatidae | 8 | 2024 | +100% | 1996 | |
| Blackpoll Warbler | Parulidae | 5 | 2024 | +5% | 1986 | |
| Ring-necked Duck | Anatidae | 5 | 2016 | +400% | 1997 | |
| Fox Sparrow | Passerellidae | 4 | 2024 | -38% | 1986 | |
| Surf Scoter | Anatidae | 4 | 2014 | +300% | 1991 | |
| Northern Pintail | Anatidae | 3 | 2022 | -36% | 1992 | |
| Common Raven | Corvidae | 3 | 2022 | +60% | 1987 | |
| Green-winged Teal | Anatidae | 3 | 2024 | -14% | 1991 | |
| Long-tailed Duck | Anatidae | 3 | 2019 | -44% | 1992 | |
| Red-breasted Merganser | Anatidae | 3 | 1987 | n/a | n/a | |
| Orange-crowned Warbler | Parulidae | 3 | 2024 | +140% | 1995 | |
| Herring Gull | Laridae | 2 | 2024 | -22% | 1987 | |
| Arctic Tern | Laridae | 2 | 2024 | +14% | 1986 | |
| Mallard | Anatidae | 2 | 2021 | +50% | 1992 | |
| Red-necked Phalarope | Scolopacidae | 2 | 2024 | -50% | 1996 | |
| Lesser Yellowlegs | Scolopacidae | 2 | 2024 | -20% | 1986 | |
| American Pipit | Motacillidae | 2 | 2017 | -40% | 1987 | |
| American Robin | Turdidae | 2 | 2024 | -28% | 1986 | |
| Short-eared Owl | Strigidae | 2 | 2005 | +100% | 1986 | |
| Black-billed Magpie | Corvidae | 2 | 1986 | n/a | n/a | |
| Greater Scaup | Anatidae | 2 | 2024 | +19% | 1997 | |
| Tundra Swan | Anatidae | 2 | 2021 | +157% | 2000 | |
| Golden-crowned Sparrow | Passerellidae | 2 | 2023 | +133% | 2006 | |
| Killdeer | Charadriidae | 2 | 1996 | n/a | n/a | |
| Northern Hawk Owl | Strigidae | 2 | 1997 | +100% | 1996 | |
| Merlin | Falconidae | 2 | 2001 | n/a | n/a | |
| Black Scoter | Anatidae | 2 | 2011 | n/a | n/a | |
| Red-throated Loon | Gaviidae | 1 | 2011 | +0% | 1986 | |
| Short-billed Gull | Laridae | 1 | 2024 | +67% | 1986 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.