State · BBS 2025 Release · 1966–2024

Utah Breeding Birds

240 species recorded across 116 survey routes, 1968 to 2024. Browse by family or guild below.

Utah Bird Population TrendsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

Bendire's Thrasher has collapsed in Utah: down 98% on the route-weighted index since 1984.

Band-tailed Pigeon has collapsed in Utah: down 96% on the route-weighted index since 1980.

Eurasian Collared-Dove has surged in Utah: up 22× on the route-weighted index since 2006.

How Bird Guilds Are Faring in UtahGuild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology →

Utah Bird Survey Routes

Browse Utah Birds By FamilyTrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →

Each species links to its trend in Utah.

Osprey Pandionidae

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.