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 ...

Just as humans are usually left- or right-handed, other species sometimes prefer one appendage, or eye, over the other. A new study reveals that American robins that preferentially use one eye ...

Q: My husband was excited when he witnessed a robin building a nest by recycling a shed skin from a snake that lives at the foundation of our house in Clarksville, Tennessee. We're not sure exactly ...

People have always wondered why many birds lay bright blue eggs. David Lahti of the City University of New York and Dan Ardia of Franklin & Marshall College tested the hypothesis that pigmentation ...