BBS Route · Arizona · BCR 16
The Gap Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 43 species recorded across 8 survey years, no longer active.
43Species Recorded
8Years Surveyed
1968–1976Span
4Observers
Bird Species Found on Arizona The Gap
Top 40 of 43 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Horned Lark | Alaudidae | 43 | 1976 | -12% | 1970 | |
| House Finch | Fringillidae | 38 | 1976 | +50% | 1970 | |
| Western Bluebird | Turdidae | 27 | 1976 | n/a | n/a | |
| Black-throated Sparrow | Passerellidae | 23 | 1976 | -4% | 1970 | |
| Common Raven | Corvidae | 13 | 1976 | +5% | 1971 | |
| Brown-headed Cowbird | Icteridae | 9 | 1976 | +9% | 1969 | |
| Say's Phoebe | Tyrannidae | 8 | 1976 | +9% | 1970 | |
| House Sparrow | Passeridae | 7 | 1976 | -57% | 1970 | |
| Chihuahuan Raven | Corvidae | 7 | 1973 | n/a | n/a | |
| Gray Vireo | Vireonidae | 6 | 1973 | +500% | 1971 | |
| Gambel's Quail | Odontophoridae | 5 | 1968 | n/a | n/a | |
| Pinyon Jay | Corvidae | 5 | 1975 | +400% | 1969 | |
| Cliff Swallow | Hirundinidae | 4 | 1973 | +100% | 1969 | |
| Brewer's Sparrow | Passerellidae | 4 | 1973 | n/a | n/a | |
| Mourning Dove | Columbidae | 3 | 1976 | -35% | 1970 | |
| Black-chinned Hummingbird | Trochilidae | 3 | 1969 | +200% | 1968 | |
| Western Kingbird | Tyrannidae | 3 | 1976 | +0% | 1968 | |
| Scott's Oriole | Icteridae | 3 | 1975 | +50% | 1968 | |
| Lesser Goldfinch | Fringillidae | 3 | 1968 | n/a | n/a | |
| Loggerhead Shrike | Laniidae | 3 | 1976 | +0% | 1968 | |
| Rock Wren | Troglodytidae | 3 | 1976 | -54% | 1970 | |
| Cassin's Kingbird | Tyrannidae | 3 | 1974 | +200% | 1971 | |
| Sagebrush Sparrow | Passerellidae | 3 | 1971 | n/a | n/a | |
| Ash-throated Flycatcher | Tyrannidae | 2 | 1975 | -40% | 1969 | |
| Northern Mockingbird | Mimidae | 2 | 1976 | -60% | 1973 | |
| Cactus Wren | Troglodytidae | 2 | 1968 | n/a | n/a | |
| Verdin | Remizidae | 2 | 1973 | +100% | 1971 | |
| Red-winged Blackbird | Icteridae | 2 | 1975 | -50% | 1973 | |
| Black-headed Grosbeak | Cardinalidae | 2 | 1975 | n/a | n/a | |
| Killdeer | Charadriidae | 1 | 1975 | -67% | 1969 | |
| American Kestrel | Falconidae | 1 | 1971 | +0% | 1968 | |
| Chihuahuan Meadowlark | Icteridae | 1 | 1968 | n/a | n/a | |
| Canyon Towhee | Passerellidae | 1 | 1968 | n/a | n/a | |
| Bell's Vireo | Vireonidae | 1 | 1973 | -67% | 1969 | |
| Curve-billed Thrasher | Mimidae | 1 | 1968 | n/a | n/a | |
| Canyon Wren | Troglodytidae | 1 | 1968 | n/a | n/a | |
| Blue-gray Gnatcatcher | Polioptilidae | 1 | 1968 | n/a | n/a | |
| Sage Thrasher | Mimidae | 1 | 1973 | +0% | 1969 | |
| Chipping Sparrow | Passerellidae | 1 | 1971 | +0% | 1970 | |
| Song Sparrow | Passerellidae | 1 | 1970 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.