TY - RPRT TI - Broad scale environmental conditions, not urbanisation, explain geographic variation in great tit feather microstructure AU - Lopez-Idiaquez, D. AU - Watson, H. AU - Perez-Tris, J. AU - Isaksson, C. AU - Salmon, P. PY - 2026 DO - 10.64898/2026.09.21.753101 UR - https://www.biorxiv.org/content/10.64898/2026.09.21.753101v1 ID - 10.64898/2026.09.21.753101 ER -