Step 1: Draw a cone-shaped beak first with a line in the middle for the mouth.
Step 2: Draw curved line above the beak and a curved line below for the head, draw several lines across the head for detail.
Step 3: Draw a small dot for the eye close to the beak.
Step 4: Draw a curved line from the bottom of the head for the body.
Step 5: Draw a rough cone shaped wing starting from below the head. Now draw two diagonal lines in the middle of the wing and now draw several diagonal lines in the opposite direction between these lines for feathers.
Step 6: Draw a thin tail behind the wing with lines across it and a fuzzy curved line below it and the wing.
Step 7: Draw a thin double lined foot beneath the wing with a pointed claw at the end.
How to Draw a Realistic Woodpecker – Step-by-Step Tutorial