Harper, L., Watson, H., Donnelly, R., Hampshire, R., Sayer, C., Breithaupt, T. & Hänfling, B. 2020. Using DNA metabarcoding to investigate diet and niche partitioning in the native European otter (Lutra lutra) and invasive American mink (Neovison vison). Metabarcoding and Metagenomics, 4: 113-133.