BBS Route · California · BCR 5
Navarro Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 119 species recorded across 34 survey years, still active.
119Species Recorded
34Years Surveyed
1972–2011Span
11Observers
Bird Species Found on California Navarro
Top 40 of 119 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Gray Flycatcher | Tyrannidae | 53 | 1993 | n/a | n/a | |
| Steller's Jay | Corvidae | 40 | 2011 | +64% | 1974 | |
| Red-winged Blackbird | Icteridae | 30 | 2011 | +109% | 1976 | |
| Song Sparrow | Passerellidae | 29 | 2011 | +177% | 1974 | |
| American Robin | Turdidae | 28 | 2011 | +52% | 1974 | |
| Common Raven | Corvidae | 27 | 2011 | +692% | 1974 | |
| Wilson's Warbler | Parulidae | 21 | 2011 | -46% | 1974 | |
| Hermit Thrush | Turdidae | 21 | 2011 | -62% | 1974 | |
| White-crowned Sparrow | Passerellidae | 16 | 2011 | +38% | 1976 | |
| Swainson's Thrush | Turdidae | 16 | 2011 | +212% | 1980 | |
| Cliff Swallow | Hirundinidae | 13 | 2011 | +54% | 1978 | |
| Violet-green Swallow | Hirundinidae | 10 | 2011 | +18% | 1974 | |
| Western Grebe | Podicipedidae | 10 | 1990 | n/a | n/a | |
| Glaucous-winged Gull | Laridae | 10 | 1995 | +233% | 1990 | |
| Western Bluebird | Turdidae | 9 | 2009 | +425% | 1981 | |
| Hermit Warbler | Parulidae | 9 | 2007 | +114% | 1988 | |
| House Finch | Fringillidae | 8 | 2009 | -34% | 1974 | |
| California Quail | Odontophoridae | 7 | 2011 | -50% | 1976 | |
| Common Yellowthroat | Parulidae | 7 | 1992 | +600% | 1991 | |
| Purple Finch | Fringillidae | 6 | 2009 | +25% | 1976 | |
| Pacific Wren | Troglodytidae | 6 | 2011 | +114% | 1979 | |
| Rock Pigeon | Columbidae | 5 | 2008 | +200% | 1982 | |
| Mourning Dove | Columbidae | 5 | 2011 | +37% | 1974 | |
| Turkey Vulture | Cathartidae | 5 | 2011 | +78% | 1974 | |
| European Starling | Sturnidae | 5 | 2011 | +28% | 1974 | |
| Pine Siskin | Fringillidae | 5 | 2011 | -28% | 1978 | |
| California Towhee | Passerellidae | 5 | 2009 | -23% | 1974 | |
| Wrentit | Sylviidae | 5 | 2011 | -49% | 1974 | |
| Canada Jay | Corvidae | 5 | 1973 | n/a | n/a | |
| Ruby-crowned Kinglet | Regulidae | 5 | 1993 | +400% | 1981 | |
| Black-capped Chickadee | Paridae | 5 | 1997 | n/a | n/a | |
| Purple Martin | Hirundinidae | 5 | 2011 | +40% | 2006 | |
| Red-shouldered Hawk | Accipitridae | 4 | 2011 | +167% | 1990 | |
| Olive-sided Flycatcher | Tyrannidae | 4 | 2011 | +25% | 1974 | |
| Tree Swallow | Hirundinidae | 4 | 2009 | +57% | 1980 | |
| Western Meadowlark | Icteridae | 4 | 1974 | +300% | 1973 | |
| Hairy Woodpecker | Picidae | 4 | 2011 | +33% | 1979 | |
| Pygmy Nuthatch | Sittidae | 4 | 2011 | -77% | 1981 | |
| Wild Turkey | Phasianidae | 4 | 2011 | -19% | 2000 | |
| Mountain Quail | Odontophoridae | 4 | 2009 | +200% | 2000 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.