Bill Turnbull investigates one of the biggest mysteries in the British countryside: what is killing our bees. It is a question that generates huge controversy. Changes in the weather, pesticides and even a deadly virus have all all been blamed. It is a question that Bill is all too familiar with as a beekeeper himself. He meets the scientists who are fitting minute radar transponders on to bees to try to find answers.
This episode looks at Africa's mountain ranges. From the giant mole rats of the Ethiopian Highlands to the Barbary Macaque monkeys of the Atlas Mountains, this episode gives a fascinating look at the mountains of Africa and the animals that inhabit them.
Africa's largest herd of elephants and a fearless pride of young lions come face to face in an epic fight for survival. Rarely do their worlds collide, until now. This is no chance conflict; nature has played its part. Drought has weakened the elephants, and the lions are desperately hungry. The dawn of the giant killers has arrived.
Why are vultures bald? Why do some orangutans have big cheeks? And if giraffes have long necks to help them reach the highest leaves, why do they mostly eat low-lying shrubs? Embark on a whirlwind tour around the world as we explore some of nature's most-fascinating evolutionary wonders.