Now, we've got two new animals that have joined these rankings - Haggis the pygmy hippo and Ava the Tiger. Here's a look at these cutie animals. Ava, a three-year-old golden tabby tiger ...

An adorable three-year-old golden tiger at a Thai zoo has emerged as the newest sensation, rivalling the baby pygmy hippo Moo Deng, after her online debut on November 19.