Another north american bird that lays blue eggs is the house finch. Many birds lay blue eggs, including bluebirds,. the reason why blue jays may lay blue eggs is the same as the other birds, the primary biliverdin pigment that is responsible for causing the blue egg.
Bluebird Hatching YouTube
A female emperor penguin is the only animal in the world that lays blue eggs. The reason eggshells have these different colors is because of the pigment that is deposited in the eggshell. The american goldfinch lays three to six bluish. Thanks to some clever experiments, we’.
