What area defines the typical breeding range of the nominate subspecies, Vireo griseus griseus?
Answer
The eastern and central United States, extending up to southern New England
The nominate subspecies, designated *Vireo griseus griseus*, represents the population found across the broader northern breeding range. This specific group covers the eastern and central regions of the United States and stretches geographically northward as far as southern New England. This population is characterized by the standard description: yellow-green coloration above, white coloration below, and possessing the characteristic clear white eyes. This distribution contrasts sharply with insular subspecies found in the Caribbean or the resident forms in the Florida Keys.
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