After walking the grounds of the Morton Arboretum for hours on a December morning, John Leonard and fellow birders were preparing to go to lunch when they encountered a rare sight: a flock of 17 red ...

Northern cardinals, blue jays, American robins, and house sparrows are common birds in North American cities. These small, aerodynamic creatures soar through the sky and sing to one another from their ...

In addition to being the fastest animal on earth, the peregrine falcon is the second-most widely distributed of all bird ...