I am Called Red Planet

I don't have legs. I don't have arms.

I don't have ears. I live in the water.

I can swim well.

Who I am?

I am small. I have feathers.

I lay eggs. I can sing and fly.

Who I am?

Can you name the four days of the week that begin with letter "T"

It is purple. It is Long.

It is a softer vegetable. It grows from a plant.

What is it?

What goes up but never comes down?

What am I?