In 1931, the ornithologist Edmund Selous argued that a starling murmuration, which he described as “a madness in the sky ... merely fly in the same direction as whichever seven birds are ...

The backend of the main runway is busy as these fuel tablet teams continuously make rounds to the runway and hangars to refuel the craft and coordinate ... the action in the sky,” the officer ...

In North America, birds typically fly south for the winter before food is less available during the colder months, then back north in the spring to take advantage of growing insect populations ...