Swainson's Thrush

Swainson's Thrush Catharus ustulatus

Abundance map: Pre-breeding migration

Swainson's Thrush, Abundance map: Pre-breeding migration
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Data provided by eBird

Swainson's Thrush

Catharus ustulatus

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 number of individuals detected by an eBirder during a traveling count at the optimal time of day.   Learn more about this data

Relative abundance
Pre-breeding migratory season
Season date range
Feb 22 - Jun 14 Learn more about seasons