The thunder rolled and lightning danced among the jagged peaks as a summer rainstorm soaked the alpine meadows of California’s Sierra Nevada. Our parkas were zipped tight and heads down as we plodded ...

It’s that time of year here in our neck of Pennsylvania when it’s prime nesting season for our feathered friends. Case in point: Our home in Northbrook is now surrounded by nesting birds. These ...

Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren't solely controlled by instinct and the environment. Instead ...