Evolution
BBC Earth söndag 19:00 - 20:00How did the ostrich get the world's largest egg? Chris Packham explores how the drive to reproduce has shaped life. From the first sex to the origin of eggs, feathers, and flight.

How did the ostrich get the world's largest egg? Chris Packham explores how the drive to reproduce has shaped life. From the first sex to the origin of eggs, feathers, and flight.