Fig. 2From: Last but not the least: effects of laying sequence on egg color variation and embryonic development of Russet Sparrow (Passer cinnamomeus)Whitening of the last eggs to be laid in Russet Sparrow clutches. a, b, and c are three clutches of Russet Sparrow eggs, respectively, placed from left to right according to their laying orders. Photo by Juan HuoBack to article page