Begin with drawing a medium oval and medium circle.
Now make the peculiar beak.
Join them both and create a base for the body.
Now make the pointed oval for the outline of the wings.
Now make the wings and enhance them.
Make the end tail of the wings and those little elements to create a base for the legs and feet.
Now join the legs to the feet.
Enhance the overall drawing by adding in the required elements.
Now add the finishing touch to the drawing by adding the other required elements.