Moreno, J., E. Lobato, and J. Morales. “Eggshell Blue-Green Colouration Fades Immediately After Oviposition: A Cautionary Note about Measuring Natural Egg Colours”. Ornis Fennica 88, no. 1 (March 31, 2011): 51–56. Accessed November 22, 2024. https://ornisfennica.journal.fi/article/view/133762.