I Have Branches

I am small and brown. I eat nuts.

I can climb trees. I have a nice tail.

Who am I?

I am big and round. I am green on the outside and red inside.

I have a lot of seeds inside. You can make a delicious summer drink from me.

Who I am?

I can swim. I can't fly.

I eat fish. I am a bird.

Who I am?

I am the fourth planet from the sun.

I am also called as the red planet.

Who am I?

I have 4 corners. I have 4 sides.

All of my sides are the same length.

Who I am?