Vet Can't Believe His Eyes Seeing This Fat Tiger - Shocked When He Sees What's Inside

When zookeeper Richard saw that his tiger was pregnant, he was full of joy. It meant that he was about to have another few tigers. After waiting for months, the moment was nearly there. The tiger was about to give birth. But strangely enough, it refused to give birth even with a giant stomach. Richard decided to go to the local vet to get an ultrasound. When the vet saw the ultrasound he immediately called the police.

But what was wrong with the tiger? And what did Richard do wrong?