Animalia > Chordata > Aves > Passeriformes > Turdidae > Catharus ustulatus > Catharus ustulatus swainsoni Catharus ustulatus swainsoni (Swainson's Thrush)Synonyms: Catharus swainsoni (homotypic); Catharus ustulatus clarescens
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Animalia > Chordata > Aves > Passeriformes > Turdidae > Catharus ustulatus > Catharus ustulatus swainsoni Catharus ustulatus swainsoni (Swainson's Thrush)Synonyms: Catharus swainsoni (homotypic); Catharus ustulatus clarescens
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