What am I?

I'm green and small. I can swim and jump. What am I?

I'm grey and very big. I eat grass and leaves. I have a big nose and big ears. What am I?

I'm black and white. I've got a big body, but small ears. I can climb trees and I like to eat leaves. What am I?

I'm green or brown. I can be big or very small. I can swim, but I'm very slow on the ground. What am I?

I'm brown. I've got a long tail and long ears. I can jump very well. What am I?

I'm orange with black stripes. I'm very fast and dangerous. I like to eat meat. What am I?