: Fold the bottom corner of the upper layer up then flatten.
: Rotate the model vertically 90 degrees, perpendicular to the desktop.
: Fold both sides of the model to the center line as shown in the following figure.
: Fold the bottom corner to the top corner to form the bird wing.
: Fold the top corner down along the dotted line.
: Repeat step 13 to 14 on the back side of the model.
: Now we should make the bird beak,First we should make a crease by folding the top corner along the dotted line,then unfold.
: Make a reverse inside fold as shown below,the bird beak is done.
: Pull the head and tail of a bird as shown below make the bird beautiful.