Prosocial behaviour is common and aggressive behaviour rare in free-living, brown rats in camera trap material - Aivelo, Tuomas; Tornikoski, Taru; Pentikäinen, Santtu; Suonpää, Juha; Vitikainen, Emma I K; The Academic Outreach Network; Helsinki One Health (HOH); Maker@STEAM; Organismal and Evolutionary Biology Research Programme; Global Change and Conservation Lab; Helsinki Institute of Sustainability Science (HELSUS); Helsinki Institute of Urban and Regional Studies (Urbaria); et al. (2025)