Relier Pairs

I've got small ears and I'm not big. I can jump.

I can swim. I've got two wings.

I am small. I can swim.

I'm green. I can jump. I haven't got a tail.

I'm grey. I'm big. I can't fly but I can swim.

I'm green. I've got a big tail. I can swim.

I can climb. I can jump. I've got a long tail.