https://animalecologyinfocus.com/2026/09/25/paler-within-the-city-across-europe-great-tits-parus-major-are-paler-in-more-impervious-neighbourhoods/Animal Ecology in Focusen2026-09-25T16:21:05+00:00Paler within the city: Across Europe, great tits (Parus major) are paler in more impervious neighbourhoods.Birds, Urban ecology, great tits, urbanisation, Plumage colourhttps://animalecologyinfocus.com/wp-content/uploads/2026/09/ecologie-et-evolution-de-mesanges-en-ile-de-france_04.jpg?w=100