Here are some templates to download to make hanging birds like Peep from The Dawn Chorus or Robin from Robin’s Winter Song.
You can use anything to make the bird as gorgeous as possible, paint, pens, collage, feathers, goggly eyes and stickers are all good.
They make a great display, like this one in the window of Mostly Books.
If you prefer to draw your own robin, here is a simple step by step guide I did for the Guardian. How to draw a robin