Let's learn more about tigers. Did you know that a tiger is a kind of cat? In fact, tigers are the largest cats in the world. They can weigh as much as 660 pounds. That's more than a vending machine! Most tigers are orange with black stripes, but every now and then, they are black and white. Only around one in one thousand tigers has black and white coloring. There are many species of tigers, including the Bengal tiger and the Siberian tiger. Sadly, some species of tigers are extinct because humans have ruined their natural environments and hunted them for sport. Which key detail supports the main idea that tigers are interesting animals?

Tigers are a kind of cat.
Vending machines are heavy.
Humans hunted them for sport.
Some tigers can be black and white.