DEAR JOAN: My friends and I have a question, but none of us seem to have the answer. We quite often see large and small flocks of birds in the sky, flying in such beautiful, graceful formations. What ...

Birds fly in a V formation to save energy. The bird in front creates lift for those behind. This teamwork makes long flights easier. Scientists studied ibises using tracking devices. They observed ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." Red-breasted ...