Comparing methods for estimating the abundance of Western Capercaillie Tetrao urogallus males in Pyrenean leks: singing counts versus genetic analysis of non-invasive samples

1. Aleix-Mata, G.
2. Adrados, B.
3. Boos, M.
4. Marty, E.
5. Mourieres, P.
6. Tucat, G.
7. Thion, N.
8. Mossoll-Torres, M.
9. Pérez, J.M.
10. Sánchez, A.