Dieren in de natuur

At any given moment, all over the world - in the air, on land, and underwater - animals are on the move. They walk, fly or swim, sometimes in huge herds or swarms, from one part of the Earth to another, often following an instinct so strong that many will die rather than stop short of their destination. Contents: 1.The mysteries of migration 2.Aerial epics 3.Ocean odysseys 4.Cross-country marathons Meer info