Which subspecies, showing darker plumage, is found in Ireland?
Answer
Emberiza citrinella caliginosa
Geographic isolation and local environmental conditions have led to the development of recognized subspecies within the Yellowhammer population. Specifically, the population residing in Ireland is classified as *Emberiza citrinella caliginosa*. This Irish subspecies is characterized by exhibiting slightly darker plumage when compared to the nominate subspecies, *Emberiza citrinella citrinella*, which is found in areas further to the east across the species' range. This variation in physical appearance based on location highlights the species' broad but regionally adapted distribution.
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