Research techniques in animal ecology: Boitani, L. & Fuller, T.K., Eds. 2000 Boitani, L. & Fuller, T.K., Eds. (2000). Research techniques in animal ecology. Columbia University Press
Atlas de Mamíferos de Portugal: Bencatel, J., Álvares, F., Moura, A.E. & Barbosa, A.M. 2017Bencatel, J., Álvares, F., Moura, A.E. & Barbosa, A.M. (2017) Atlas de Mamíferos de Portugal, 1ª Edição edn. Universidade de Évora, Évora.
Secundária
Measuring and monitoring biological diversity: Standard methods for mammals: Don E. Wilson, F. Russell Cole, James D. Nichols, Rasanayagam Rudran and Mercedes S. Foster 1996 Wilson, D.E.; Cole, F.R.; Nichols, J.D.; Rudran, R.; Foster, M.S. (1996). Measuring and monitoring biological diversity: Standard methods for mammals. Smithsonian Institution Press, Washington.
Livro Vermelho dos Vertebrados de Portugal: Cabral, M.J. et al.2005Cabral, M.J. et al. (2005). Livro Vermelho dos Vertebrados de Portugal. ICN. Lisboa.
Analysis of wildlife radio-tracking data: White, G.C. & Garrott, R.A.1990White, G.C. & Garrott, R.A. (1990). Analysis of wildlife radio-tracking data. Academic Press, San Diego, California.
Camera traps in animal ecology. Methods and analyses: O’Connell, A.F., Nichols, J.D. & Karanth, K.U.2011O’Connell, A.F., Nichols, J.D. & Karanth, K.U. (2011) Camera traps in animal ecology. Methods and analyses. Springer, New York.
Mamíferos de Portugal e Europa: Macdonald, D. & Barret, P.1999Macdonald, D. & Barret, P. (1999). Mamíferos de Portugal e Europa. INOVA. Portugal.
Guide to Animal Tracks and Signs: Bang, P. & Dahlstrom, P.2006Bang, P. & Dahlstrom, P. (2006). Animal Tracks and Signs. Oxford University Press. Osford.