Western Bluebird

Western Bluebird Sialia mexicana

Abundance map: Pre-breeding migration

Western Bluebird, Abundance map: Pre-breeding migration
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Data provided by eBird

Western Bluebird

Sialia mexicana

Abundance: Pre-breeding migration

Relative abundance is depicted for each season along a color gradient from a light color indicating lower relative abundance to a dark color indicating a higher relative abundance. Relative abundance is the estimated average count of individuals detected by an eBirder during a 1 hour, 1 kilometer traveling checklist at the optimal time of day for each species.   Learn more about this data

Relative abundance
Pre-breeding migratory season
Season date range
Feb 15 - Apr 5 Learn more about seasons