An experiment by evolutionary biologists offers new insights into birds’ brains. Three robin eggs in a nest, along with a double-pyramid imposter.Credit...M. Hauber Supported by By Veronique Greenwood ...

Toni Lynn from North St. Paul asked: Why are robin eggs blue? According to DNR bird expert Carol Henderson, the pigments in the blood of the mom robin are embedded into the egg shell as the egg passes ...

Two female robins raise their combined eight eggs in a shared nest on the porch of a St. Thomas family's home. (Submitted by Debra Copeland - image credit) Finding a robin's nest on the front porch ...

Dear Pet Talk: I don’t have pets but keep active birdfeeders, so all the birds are my “pets in the wild.” Why do robins lay blue eggs? — Bird Lover Dear Bird Lover: I concur with you about wild birds ...

If you have seen a nest with bright blue eggs, you may be wondering what the unique pigmentation does. Now, researchers in a new study have discovered that the color could shield harmful sunlight, ...

Look at that spot-chested young robin, hopping blithely across the lawn, stopping here and there as it searches for a meal. And take note of a young blue jay perched on a branch, gulping down a ...

In the spring, robins living on an Illinois tree farm sat on some unusual eggs. Alongside the customary brilliant blue ovoids they had laid were some unusually shaped objects. Although they had the ...