Special structures of hoopoe eggshells enhance the adhesion of symbiont-carrying uropygial secretion that increase hatching success

1. Martín-Vivaldi, M.
2. Soler, J.J.
3. Peralta-Sánchez, J.M.
4. Arco, L.
5. Martín-Platero, A.M.
6. Martínez-Bueno, M.
7. Ruiz-Rodríguez, M.
8. Valdivia, E.