BBS Route · California · BCR 32
Pennington Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 102 species recorded across 35 survey years, still active.
102Species Recorded
35Years Surveyed
1971–2024Span
7Observers
Bird Species Found on California Pennington
Top 40 of 102 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Cliff Swallow | Hirundinidae | 484 | 2024 | -51% | 1973 | |
| House Finch | Fringillidae | 100 | 2024 | +53% | 1973 | |
| Red-winged Blackbird | Icteridae | 71 | 2024 | +109% | 1973 | |
| Mourning Dove | Columbidae | 60 | 2024 | +31% | 1973 | |
| European Starling | Sturnidae | 52 | 2024 | -40% | 1973 | |
| American White Pelican | Pelecanidae | 50 | 2024 | +59% | 2009 | |
| House Sparrow | Passeridae | 49 | 2024 | +43% | 1973 | |
| American Robin | Turdidae | 29 | 2024 | +178% | 1973 | |
| Tricolored Blackbird | Icteridae | 25 | 2014 | -92% | 1973 | |
| Brewer's Blackbird | Icteridae | 23 | 2024 | -86% | 1973 | |
| Lesser Goldfinch | Fringillidae | 22 | 2024 | +718% | 1973 | |
| Western Kingbird | Tyrannidae | 17 | 2024 | -37% | 1973 | |
| Brown-headed Cowbird | Icteridae | 17 | 2024 | +257% | 1973 | |
| California Quail | Odontophoridae | 15 | 2024 | +89% | 1973 | |
| Turkey Vulture | Cathartidae | 14 | 2024 | +115% | 1973 | |
| American Goldfinch | Fringillidae | 14 | 2024 | -5% | 1973 | |
| Oak Titmouse | Paridae | 14 | 2024 | -31% | 1973 | |
| Rock Pigeon | Columbidae | 13 | 2024 | +111% | 1975 | |
| Northern Mockingbird | Mimidae | 11 | 2024 | +48% | 1973 | |
| Eurasian Collared-Dove | Columbidae | 11 | 2024 | -28% | 2017 | |
| Barn Swallow | Hirundinidae | 9 | 2024 | -65% | 1973 | |
| Northern Pintail | Anatidae | 9 | 1981 | -9% | 1979 | |
| Killdeer | Charadriidae | 8 | 2024 | -66% | 1973 | |
| American Crow | Corvidae | 8 | 2024 | +11% | 1973 | |
| Western Meadowlark | Icteridae | 8 | 2024 | -89% | 1973 | |
| Great Horned Owl | Strigidae | 8 | 2014 | +0% | 1985 | |
| Black-chinned Hummingbird | Trochilidae | 8 | 2015 | +67% | 1987 | |
| Acorn Woodpecker | Picidae | 7 | 2024 | +17% | 1973 | |
| White-faced Ibis | Threskiornithidae | 7 | 2014 | +320% | 1991 | |
| Tree Swallow | Hirundinidae | 6 | 2024 | +31% | 1973 | |
| Bewick's Wren | Troglodytidae | 6 | 2024 | -35% | 1973 | |
| Western Wood-Pewee | Tyrannidae | 6 | 2024 | +200% | 1978 | |
| California Gull | Laridae | 6 | 1995 | n/a | n/a | |
| California Scrub-Jay | Corvidae | 5 | 2024 | -58% | 1973 | |
| Great Egret | Ardeidae | 5 | 2024 | +67% | 1980 | |
| Cinnamon Teal | Anatidae | 5 | 2008 | +88% | 1985 | |
| Bullock's Oriole | Icteridae | 4 | 2024 | -72% | 1973 | |
| Black-headed Grosbeak | Cardinalidae | 4 | 2024 | +100% | 1973 | |
| Rock Wren | Troglodytidae | 4 | 1976 | n/a | n/a | |
| Red-shouldered Hawk | Accipitridae | 4 | 2022 | +60% | 2004 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.