BBS Route · Utah · BCR 16
Gilson Butte Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 25 species recorded across 8 survey years, no longer active.
25Species Recorded
8Years Surveyed
1993–2004Span
2Observers
Bird Species Found on Utah Gilson Butte
Top 25 of 25 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Horned Lark | Alaudidae | 85 | 2004 | -4% | 1996 | |
| Sagebrush Sparrow | Passerellidae | 29 | 2004 | -60% | 1996 | |
| Black-throated Sparrow | Passerellidae | 18 | 2004 | +620% | 1996 | |
| White-throated Swift | Apodidae | 12 | 2004 | +500% | 2000 | |
| Rock Wren | Troglodytidae | 5 | 2004 | +10% | 2001 | |
| Northern Mockingbird | Mimidae | 5 | 2004 | +400% | 1995 | |
| Burrowing Owl | Strigidae | 3 | 2003 | +0% | 1995 | |
| Northern Harrier | Accipitridae | 2 | 2000 | +0% | 1993 | |
| Say's Phoebe | Tyrannidae | 2 | 2004 | -25% | 2000 | |
| Common Raven | Corvidae | 2 | 2004 | +63% | 1996 | |
| Lark Sparrow | Passerellidae | 2 | 2004 | +36% | 1996 | |
| Brewer's Sparrow | Passerellidae | 2 | 2004 | -25% | 2001 | |
| Mourning Dove | Columbidae | 2 | 1996 | +100% | 1995 | |
| Western Meadowlark | Icteridae | 2 | 2004 | n/a | n/a | |
| Prairie Falcon | Falconidae | 1 | 2002 | +575% | 2000 | |
| American Kestrel | Falconidae | 1 | 1993 | n/a | n/a | |
| Violet-green Swallow | Hirundinidae | 1 | 2000 | -90% | 1995 | |
| Loggerhead Shrike | Laniidae | 1 | 2002 | -33% | 1996 | |
| Red-tailed Hawk | Accipitridae | 1 | 2000 | n/a | n/a | |
| Sage Thrasher | Mimidae | 1 | 2003 | -50% | 2000 | |
| Swainson's Hawk | Accipitridae | 1 | 2001 | n/a | n/a | |
| Golden Eagle | Accipitridae | 1 | 2003 | n/a | n/a | |
| Western Tanager | Cardinalidae | 1 | 2003 | n/a | n/a | |
| Cassin's Kingbird | Tyrannidae | 1 | 2004 | n/a | n/a | |
| Vesper Sparrow | Passerellidae | 1 | 2004 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.