Who Am I?

I... Am I a macaw? Or a marlin? Oh... That's a difficult question. Hold on, let me figure things out. Firstly, I'm standing on a tree branch. Marlins live in the water, right? So, I must be a macaw. But if I'm a macaw, then why don't I have a colorful coat of feathers? So, it's possible that I'm actually a marlin...