Fig. 1From: The calcified eggshell matrix proteome of a songbird, the zebra finch (Taeniopygia guttata)Four-ellipse Venn diagram comparing zebra finch, quail, turkey and chicken calcified eggshell proteomes. The four-ellipse template was taken from https://commons.wikimedia.org/wiki/File:Venn%27s_four_ellipse_construction.png Back to article page