The second programme deals with the mechanics of flight. Getting into the air is by far the most exhausting of a bird's activities, and Attenborough observes shearwaters in Japan that have taken to climbing trees to give them a good jumping-off point.

This epsiode looks at those birds that have become strictlt meat eaters from eagles and hawks to owls and vultures.

A look at the way birds communicate. The program shows us how calls of warning can unite a community of birds against a larger predator and how other calls may be used to attract mates.

This episode looks at the problems birds face in raising their young. It ranges from parrots who are very active parents to cuckoos who are famous for foisting the job off on others.

A look at how birds deal with hostile environments and with people. The episode ranges from crows in Japan that use traffic to crack nuts to penguins who never see a person but make long treks through frigid wastes.