Surprisingly I did make up a pattern, mostly as an after thought though, so I don't have a complete tutorial with pictures and all that. But like I said, they are so simple to make you should be fine just following my instructions. You can download the pattern pieces HERE!
1 fat quarter
contrasting fabric scraps for wings
white and black wool felt
Cut out 3 body pieces. Decide which piece you want for your owls face. Cut 2 eye pieces, 1 beak, and 2 ears out of the wool felt. Using a blanket stitch, stitch on the eyes and the beak to the body piece you choose for the front. Cut 2 wing pieces out of the contrasting fabric. Top stitch the wings onto the front owl piece. I left the edges raw on the wings and even pulled a few threads to unravel them just a bit.
Assemble the body by taking two of the body pieces, placing them right sides together and sewing along one of the vertical seams. Repeat with the third body piece (your face piece) by sewing it to the other two pieces along the vertical seams. Leave two small openings in your sewing on the top of the owls head where you insert the owls ears. Pinch the bottom of the owls ears and insert them, pointed side down, into the small openings and stitch closed. With right sides facing and the edges aligned, pin the base piece to the bottom opening of the body. Make sure it fits well and trim the base piece if necessary. Sew the base piece to the body, leaving a small whole for turning. Turn the whole piece right side out. Stuff your owl and hand stitch the opening closed.