White tigers are known for being endangered species and the import and export of such tigers are restricted and regulated carefully. The WWF (World Wildlife Fund) estimate that today only 3,200 tigers are alive in the wild.
It took Shou Shan Zoo two years before finally gaining approval from Taiwan’s authorities to import the tigers to Taiwan. Shou Shan Zoo has agreed that they will not use the tigers for breeding so, the deal was agreed upon this basis.
The Shou Shan Zoo estimates that to feed both tigers it will cost NT$300,000 (US$10,257) per year.