Indiana’s skies are a nighttime highway in the early weeks of May as millions of birds make the migratory passage north for their summer homes. Herons, sparrows and buntings of all varieties fly ...

In the vast expanse of our planet’s skies, birds have evolved some of the most remarkable adaptations in the animal kingdom. Perhaps none is more astonishing than their ability to sleep while flying—a ...

First, birds have wings. While most birds fly (more on that below), flying is not a requirement to be a bird. Cassowaries are flightless birds, which makes them rare, but they still have wings. Birds ...

A vector illustration perch silhouette stock illustrations Bird icon set. Sky background. Vector illusrtation Set of birds ыilhouette sitting on wires over blue sky background. A vector illustration ...

Choose from Torn Paper Silhouette stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing ...