Best Of Natural History Radio

Monty Don explores the difficulties in keeping secrets and the effects of secrecy on rare orchids and rhinos. For the lady's slipper orchid in England, reduced to a single plant, secrecy was considered the only solution for many years, but when collectors discovered its site, conservation strategy changed. Rhinos, like other creatures with a price on their heads are very vulnerable and even in the 21st century; secrecy still plays a part in their conservation.