How does the breeding range of the Yellow-headed Blackbird compare geographically to the Red-winged Blackbird?

Answer

The Yellow-headed species is restricted mainly to the West and Central regions

The Red-winged Blackbird has a significantly larger breeding range extending further east, while the Yellow-headed species is much more restricted to the West and Central regions of the continent.

How does the breeding range of the Yellow-headed Blackbird compare geographically to the Red-winged Blackbird?
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