You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. The fall bird migration is a protracted spectacle that extends well into ...

Turbulence can be unpleasant enough for passengers in full-sized aircraft, but it's even more of a challenge for unmanned micro air vehicles (MAVs) – a good gust can blow one of the little drones ...

Birds play an important role in a wide variety of ecosystems as both predator and prey, in controlling insect populations, pollinating and seed dispersal for many plants, and in releasing nutrients on ...