BBS Route · Nevada · BCR 9
Cortez Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 84 species recorded across 19 survey years, still active.
84Species Recorded
19Years Surveyed
1968–2024Span
2Observers
Bird Species Found on Nevada Cortez
Top 40 of 84 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Horned Lark | Alaudidae | 81 | 2024 | +775% | 1970 | |
| Pinyon Jay | Corvidae | 78 | 2024 | +129% | 1970 | |
| Canada Goose | Anatidae | 60 | 2024 | +231% | 2019 | |
| Eared Grebe | Podicipedidae | 51 | 2024 | 61× | 1977 | |
| Sagebrush Sparrow | Passerellidae | 46 | 2024 | +14% | 1970 | |
| Western Meadowlark | Icteridae | 45 | 2024 | -45% | 1970 | |
| Common Raven | Corvidae | 44 | 2024 | +846% | 1970 | |
| Mourning Dove | Columbidae | 39 | 2024 | -40% | 1970 | |
| White-faced Ibis | Threskiornithidae | 24 | 2022 | +500% | 2018 | |
| Sage Thrasher | Mimidae | 18 | 2024 | -40% | 1970 | |
| American Coot | Rallidae | 14 | 2024 | 18× | 1970 | |
| Yellow-headed Blackbird | Icteridae | 13 | 2024 | 28× | 1970 | |
| Brewer's Sparrow | Passerellidae | 11 | 2024 | -32% | 1970 | |
| Killdeer | Charadriidae | 10 | 2024 | +117% | 1973 | |
| Black-throated Sparrow | Passerellidae | 10 | 2024 | +170% | 1974 | |
| Violet-green Swallow | Hirundinidae | 8 | 1972 | +700% | 1968 | |
| Loggerhead Shrike | Laniidae | 8 | 2024 | +13% | 1970 | |
| Lark Sparrow | Passerellidae | 7 | 2024 | +175% | 1974 | |
| Brewer's Blackbird | Icteridae | 7 | 2024 | +267% | 1974 | |
| Redhead | Anatidae | 6 | 2024 | -47% | 1971 | |
| Mallard | Anatidae | 5 | 2024 | +300% | 1976 | |
| Brown-headed Cowbird | Icteridae | 5 | 2023 | +125% | 1973 | |
| Northern Shoveler | Anatidae | 5 | 2023 | +400% | 1973 | |
| Gadwall | Anatidae | 4 | 2024 | +200% | 1971 | |
| Barn Swallow | Hirundinidae | 4 | 2024 | -36% | 1970 | |
| Ruddy Duck | Anatidae | 4 | 2024 | +61% | 2018 | |
| Ring-billed Gull | Laridae | 4 | 2018 | n/a | n/a | |
| Ash-throated Flycatcher | Tyrannidae | 4 | 2023 | +100% | 2022 | |
| American Kestrel | Falconidae | 3 | 2024 | +100% | 1970 | |
| Red-winged Blackbird | Icteridae | 3 | 2024 | -39% | 1970 | |
| Chukar | Phasianidae | 3 | 1969 | n/a | n/a | |
| Bullock's Oriole | Icteridae | 3 | 2023 | +100% | 1972 | |
| House Sparrow | Passeridae | 3 | 2024 | +67% | 2018 | |
| Northern Mockingbird | Mimidae | 3 | 2024 | +75% | 1974 | |
| Red-tailed Hawk | Accipitridae | 3 | 2024 | +25% | 2017 | |
| Chipping Sparrow | Passerellidae | 3 | 2019 | +50% | 2018 | |
| Eurasian Collared-Dove | Columbidae | 3 | 2024 | -25% | 2021 | |
| Green-winged Teal | Anatidae | 2 | 1971 | +100% | 1968 | |
| Lesser Scaup | Anatidae | 2 | 2016 | +100% | 1968 | |
| Common Nighthawk | Caprimulgidae | 2 | 2024 | +111% | 1971 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.