1.   Camera traps are simple devices that link automatic cameras to a beam-triggering mechanism.

2.   If they are on the trail of an elusive creature, they can set up camera traps in remote locations that will do the waiting for them.

3.   In Belize, two lodges devoted to ecotourism have used the camera traps to get identifying snapshots of poachers.

4.   In fact, as the act of standing around is likely to scare an animal away, camera traps are sometimes the only way to photograph a particular specimen.

5.   Schaller and colleagues left six camera traps with reserve managers.

6.   With a camera trap, there is no need to stand around in the bush waiting for a celebrity animal to show.

7.   On previous surveys in Thailand, Malaysia, Myanmar and Indonesia, camera traps have recorded the presence of humans, mostly poachers.