In Prince William's message to the CITES conference he says the levels of rhino and elephant poaching are "shocking".
The CITES head called for the fight against wildlife crime to have same resources as war against drugs.
An international conference to halt the rise in ivory and rhino horn poaching ended in Bangkok, with campaigners feeling 'disappointed'.
Wildlife campaigners believe an opportunity to halt the rise in ivory and rhino horn poaching has been missed at the CITES conference.
There appears to be a perfect storm and animals which have been on the planet for millions of years may be wiped out.