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corn bunting

n. A passerine bird, (taxlink Emberiza calandra species noshow=1), whose male and female plumages are (untypically for buntings) similar.

Wikipedia
Corn bunting

The corn bunting (Emberiza calandra) is a passerine bird in the bunting family Emberizidae, a group now separated by most modern authors from the finches, Fringillidae. It is usually placed in the genus Emberiza, but some taxonomists place it in the monotypic genus Miliaria.