Sometime during the many millions of years that have elapsed since mammalian faunas came into existence, some sort of island crossed from West Africa to South America.

Sometime during the many millions of years that have elapsed since mammalian faunas came into existence, some sort of island crossed from West Africa to South America.

I put a bullet into the back of the crocodiles neck just behind the head, thus killing it. If a crocodile is hit in any other part of its anatomy it disappears into the water and is irrecoverable.

The Dalmatian breed of dog has many primitive characteristics.

When my father arrived in Kenya, he had found the Kikuyu way of life similar to that of the British at the time the Romans invaded England 2,000 years ago.

Olduvai Gorge gives us one of the most remarkable stories of the past-the last chapter of the Earth's history, starting at the present day, right away back 2 million years.

Raising funds for my fourth expedition proved to be very difficult.