The blue colour in robin eggs is due to biliverdin, a pigment deposited on the eggshell when the female lays the eggsThere are many different types of birds that lay blue eggs, let's see them 1 American Robin The American Robin, sometimes called the American Redbreast, is a perching bird that can be found all over North America They eat insects, berries, and plants American Robins are mainly red in color with white underparts and black wings The blue colour in robin eggs is due to biliverdin, a pigment deposited on the eggshell when the female lays the eggs There is some evidence that higher biliverdin levels indicate a healthier female and brighter blue eggs Eggs laid by a healthier female seemed to encourage males to take more interest in their young
What Birds Have Blue Eggs Bird Fact
