Over one hundred billion creatures fly through the air today, from nectar-drinking hummingbirds to armoured airborne beetles; from bats hunting in the dead of night to bizarre winged lizards. In Conquest of the skies, David Attenborough travels through time to unravel the astonishing 300-million-year story of how flying animals first appeared and then evolved into the huge variety of aeronauts that fill our skies today.
