Big Cats Size Difference. Other than size, the most distinguishing difference is that big cats can roar, but they cannot purr. The siberian tiger is big, strong, beautiful and the most feared cat in the world!
I went to the brevard zoo yesterday and saw one! Tigers have round pupils and yellow irises. Meanwhile, leopards are the smallest big cats in their habitat, which is in parts of africa and asia.
3 cheetah the cheetah, also known as the hunting leopard, is a big cat that occurs mainly in eastern and southern africa and a few parts of iran.
All other cats are classified as small cats even though their size. Small cats are able to purr, but they cannot roar. For instance, in the extant felids alone, all panthera species (snow leopard, leopard, jaguar, tiger and lion) all exceed 50 kg on average (mean body mass). Jaguar, leopard, lion, and tiger all have an adapted larynx and a unique part of the throat called a hyoid apparatus which gives them the ability to make a deep, loud roaring sound.