Open Illustrator and set up a new document, any size you like, I’m using 800×600 pixels. Press (L) to select Ellipse Tool, click somewhere on you art board to bring up the Ellipse dialog box and enter values that you see in the image below, 320 pixels for Width and 250 for Height.
Now that we have the base for one of the lady bird’s body paths we can star editing it
Select the Direct Selection Tool (A) and click on the left anchor point , hold down the Shift key and press the down arrow key three times.
Reduce the size of lower handle of the same anchor point to about half of it’s size.
Do the same thing to the lower handle of the right anchor point.
Click on the lowest anchor point of the path to select it, hold down the Shift key and press up arrow key twice.