1.   Aphids are kept in check by beetle banks and shelter strips of willow to harbour natural predators.

2.   The king snake and the barn owl are natural predators.

3.   The maleos of Sulawesi have a number of natural predators.

4.   The rabbits you are after May already have been bolted by natural predators such as stoats, weasels, mink and pine Martens.

5.   Their natural predators have been killed off.

6.   The population of rabbits is controlled by natural predators.

7.   This could be achieved through genetic modifications of crops, increased use of biological controls, such as natural predators, and a planned approach to crop rotation.

8.   The three pesticides the Japanese government is sending have a broad insecticide spectrum, so they kill a wide range of insects including natural predators.