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 ...
Scientists are testing the hypothesis that blue eggshells (unlike dark colors) both shield the interior from UV radiation and prevent the egg from heating up. People have always wondered why many ...
While you might be most familiar with “robin’s egg blue”, many species of birds lay blue-colored eggs. Why might this have evolved? Although scientists can’t go back in time to observe the emergence ...
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 ...
NEW YORK, May 27 (UPI) --A new study answers the question: Why are robin eggs blue? The answer: sun protection. According to new research, the light blue-green color of bird eggs helps facilitate just ...
NEA Town Courier: Pet Talk: Why do different birds lay different colored eggs?
If you’ve ever looked into a bird’s nest, you may have noticed something remarkable—bird eggs come in a wide range of colors, from bright blue to creamy white to speckled brown.
Birds in the tropics face a tradeoff when it comes to egg color. But for birds in the north, it's an easier call. From baby blue to black-speckled beige, bird eggs are as varied as the species that ...
A male robin will be more diligent in caring for its young if the eggs its mate lays are a brighter shade of blue. Queen's University biology professor Bob Montgomerie has been studying robins on and ...