Urban great tits have paler plumage than their forest-living relatives
A new study conducted by researchers in Europe shows that urban great tits have paler plumage than their countryside counterparts. Since the yellow pigment of the breast feathers of great tits comes from the food they eat, the paler yellow plumage of urban birds indicates that the urban environment affects the entire food chain. Caroline Isaksson, BECC PI, was one of the co-authors to a study rece
https://www.becc.lu.se/article/urban-great-tits-have-paler-plumage-their-forest-living-relatives - 2025-11-03
