This is the more detail hand drawing:-
Here we start the process. Scan the artwork into your pc. Open a new document with RGB color mode. Go to file > Place. Place the artwork on the stage. Reduce the opacity to 50% and lock the layer.
Create a new layer and move it below the artwork. Rename it as feather. We start with the feather because it is at the backward of all part for the a bird. Start illustrates and fills it with black color. You will get this:-
Secondly, create a new layer and rename it as body. Draw the white feather as it is just above the feather layer. Sure, fill it with white color.
Create a new layer, name it as mouth. Draw out the mouth and set the gradient as shown below:-
This is the process to draw out the eyes. Still, create a new layer and name it as eyes. You need to use the pathfinder for this part:-
after all, you will get this:-
This part will be a bit more difficult but still using the same technique. Create a new layer and rename it as leg. Simply follow the steps shown below. You may also use your own color for this part.
Lastly, create a new layer and draw out the tree. Put this below the legs layer.
To make it look more real. Simply create a new layer and draw out the shadow for each part that you think is necessary.
Here is it! Cheers! Hope you enjoy this. Any question, simply leave a comment here. Thanks!