Marcelino, J., Moreira, F., Franco, A. M., Soriano-Redondo, A., Acacio, M., Gauld, J., Rego, F.C., Silva, J.P. & Catry, I. (2021). Flight altitudes of a soaring bird suggest landfill sites as power line collision hotspots. Journal of Environmental Management, 294: 113149.