BBS Route · Utah · BCR 9
Callao Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 107 species recorded across 29 survey years, still active.
107Species Recorded
29Years Surveyed
1992–2024Span
12Observers
Bird Species Found on Utah Callao
Top 40 of 107 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Canada Goose | Anatidae | 515 | 2024 | +374% | 1994 | |
| Eared Grebe | Podicipedidae | 89 | 2024 | +79% | 1997 | |
| Western Meadowlark | Icteridae | 53 | 2024 | +639% | 1994 | |
| Red-winged Blackbird | Icteridae | 44 | 2024 | +34% | 1994 | |
| Savannah Sparrow | Passerellidae | 30 | 2024 | +6% | 1994 | |
| Green-winged Teal | Anatidae | 30 | 2010 | +800% | 2003 | |
| Yellow-headed Blackbird | Icteridae | 25 | 2024 | +435% | 1994 | |
| Black-throated Sparrow | Passerellidae | 23 | 2024 | +3% | 1994 | |
| Ring-billed Gull | Laridae | 23 | 2016 | +217% | 2000 | |
| Horned Lark | Alaudidae | 21 | 2024 | -33% | 1994 | |
| Common Yellowthroat | Parulidae | 20 | 2024 | +28% | 1996 | |
| Double-crested Cormorant | Phalacrocoracidae | 19 | 2016 | +44% | 2003 | |
| Snowy Plover | Charadriidae | 17 | 2024 | +20% | 1996 | |
| American Avocet | Recurvirostridae | 14 | 2024 | -67% | 1994 | |
| Gadwall | Anatidae | 10 | 2024 | -73% | 1994 | |
| Barn Swallow | Hirundinidae | 10 | 2024 | -83% | 1994 | |
| American White Pelican | Pelecanidae | 8 | 2024 | -29% | 2001 | |
| Cinnamon Teal | Anatidae | 6 | 2023 | -93% | 1994 | |
| Canvasback | Anatidae | 6 | 2022 | +6% | 1995 | |
| Marsh Wren | Troglodytidae | 6 | 2024 | -42% | 1994 | |
| Wilson's Phalarope | Scolopacidae | 5 | 2024 | -28% | 1995 | |
| Common Raven | Corvidae | 5 | 2024 | +71% | 1994 | |
| Mourning Dove | Columbidae | 5 | 2023 | +392% | 1997 | |
| Northern Mockingbird | Mimidae | 5 | 2024 | +100% | 1998 | |
| Mountain Bluebird | Turdidae | 5 | 2011 | n/a | n/a | |
| Common Nighthawk | Caprimulgidae | 4 | 2024 | +7% | 1994 | |
| Caspian Tern | Laridae | 4 | 2023 | -11% | 2005 | |
| House Sparrow | Passeridae | 4 | 2017 | +100% | 1995 | |
| Rock Wren | Troglodytidae | 4 | 2024 | -18% | 1998 | |
| Blue-winged Teal | Anatidae | 4 | 2024 | -33% | 2003 | |
| Osprey | Pandionidae | 4 | 1999 | n/a | n/a | |
| House Finch | Fringillidae | 4 | 2021 | +67% | 2015 | |
| Great-tailed Grackle | Icteridae | 4 | 2016 | n/a | n/a | |
| Redhead | Anatidae | 3 | 2024 | -81% | 1995 | |
| Willet | Scolopacidae | 3 | 2019 | -33% | 1995 | |
| Western Kingbird | Tyrannidae | 3 | 2024 | +40% | 1994 | |
| Mallard | Anatidae | 3 | 2024 | -93% | 1995 | |
| Ring-necked Pheasant | Phasianidae | 3 | 2001 | +133% | 1995 | |
| Loggerhead Shrike | Laniidae | 3 | 2024 | -9% | 1999 | |
| Violet-green Swallow | Hirundinidae | 3 | 2012 | -63% | 2006 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.