BBS Route · California · BCR 32
Moreno Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 103 species recorded across 25 survey years, still active.
103Species Recorded
25Years Surveyed
1968–2024Span
6Observers
Bird Species Found on California Moreno
Top 40 of 103 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Rock Pigeon | Columbidae | 190 | 2024 | +822% | 1970 | |
| House Sparrow | Passeridae | 110 | 2024 | +43% | 1970 | |
| House Finch | Fringillidae | 105 | 2024 | -23% | 1970 | |
| Common Raven | Corvidae | 104 | 2024 | +212% | 1972 | |
| European Starling | Sturnidae | 102 | 2024 | +73% | 1970 | |
| Tricolored Blackbird | Icteridae | 86 | 2017 | -37% | 1974 | |
| American Crow | Corvidae | 50 | 2024 | +94% | 1972 | |
| Northern Mockingbird | Mimidae | 41 | 2024 | +769% | 1970 | |
| Cliff Swallow | Hirundinidae | 35 | 2024 | +44% | 1975 | |
| Brewer's Blackbird | Icteridae | 30 | 2024 | -93% | 1970 | |
| Eurasian Collared-Dove | Columbidae | 30 | 2024 | +18% | 2019 | |
| Cassin's Kingbird | Tyrannidae | 26 | 2024 | 19× | 1985 | |
| Mourning Dove | Columbidae | 25 | 2024 | -41% | 1970 | |
| Lesser Goldfinch | Fringillidae | 25 | 2024 | +544% | 1976 | |
| Barn Swallow | Hirundinidae | 23 | 2024 | +180% | 2012 | |
| Anna's Hummingbird | Trochilidae | 19 | 2024 | 15× | 1975 | |
| Red-winged Blackbird | Icteridae | 17 | 2024 | +175% | 1970 | |
| California Towhee | Passerellidae | 17 | 2024 | +500% | 1974 | |
| Western Meadowlark | Icteridae | 15 | 2024 | -75% | 1970 | |
| Canada Goose | Anatidae | 15 | 2024 | +650% | 2021 | |
| Western Kingbird | Tyrannidae | 12 | 2024 | +68% | 1970 | |
| Black Phoebe | Tyrannidae | 12 | 2024 | +278% | 2012 | |
| Red-tailed Hawk | Accipitridae | 11 | 2024 | +147% | 1970 | |
| American Kestrel | Falconidae | 11 | 2024 | -14% | 1970 | |
| Rufous-crowned Sparrow | Passerellidae | 11 | 2024 | +360% | 2019 | |
| Song Sparrow | Passerellidae | 10 | 2024 | +560% | 1977 | |
| Hooded Oriole | Icteridae | 10 | 2024 | +11% | 2019 | |
| Bushtit | Aegithalidae | 10 | 2024 | +32% | 2019 | |
| Band-tailed Pigeon | Columbidae | 9 | 2019 | +125% | 1974 | |
| Black-necked Stilt | Recurvirostridae | 7 | 2018 | +143% | 1985 | |
| American Avocet | Recurvirostridae | 7 | 1986 | n/a | n/a | |
| Great-tailed Grackle | Icteridae | 7 | 2024 | +33% | 2019 | |
| Spotted Towhee | Passerellidae | 6 | 2024 | +250% | 2017 | |
| Mallard | Anatidae | 6 | 2024 | +214% | 1975 | |
| Say's Phoebe | Tyrannidae | 6 | 2024 | +140% | 2017 | |
| Common Yellowthroat | Parulidae | 6 | 2024 | +171% | 2017 | |
| White-faced Ibis | Threskiornithidae | 5 | 2022 | +150% | 2017 | |
| Black-crowned Night Heron | Ardeidae | 5 | 2024 | +400% | 2017 | |
| Northern Harrier | Accipitridae | 4 | 1986 | -22% | 1970 | |
| Burrowing Owl | Strigidae | 4 | 2012 | +17% | 1974 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.