What do zoos do with the ivory left over from dead elephants?

It stays on it's rightful owner. Usually a necropsy is performed, and then the remains are cremated or the animal is buried. They are usually examined by professionals before the burial. Here's some further reading that may answer your question extensively: http://www.buffalostoryproject. read more

It stays on it’s rightful owner. Usually a necropsy is performed, and then the remains are cremated or the animal is buried. They are usually examined by professionals before the burial. read more

Researchers led by Ros Clubb, an animal behavior expert at the Royal Society for the Prevention of Cruelty to Animals (RSPCA) in West Sussex, England, compiled data on over 4,500 African and Asian elephants over 45 years in European zoos and compared their life spans with the median life expectancy of elephants in preserves in their home countries. read more