What specific physical trait does the species epithet 'griseus' in Vireo griseus typically indicate?
Answer
Grayish appearance
The species epithet *griseus* in the binomial nomenclature *Vireo griseus* directly translates or points toward a grayish appearance. Although the bird's common name emphasizes the bright white eye and its overall plumage features significant olive-green tones, the Latin term itself is tied to the gray coloration present in its overall appearance, particularly noted in the head or general cast. Recognizing the etymology of scientific names provides an additional layer of understanding about how early taxonomists characterized the species based on visual observation.

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