Differential effectiveness of playbacks for little owls (Athene Noctua) surveys before and after sunset

1. Navarro, J.
2. Mínguez, E.
3. García, D.
4. Villacorta, C.
5. Botella, F.
6. Sánchez-Zapata, J.A.
7. Carrete, M.
8. Giménez, A.