This drawing is of a mythical creature called a griffin. The griffin has the head and wings of an eagle and the body of a lion.
The eagle head includes a large, curved beak and expressive eyes. Its wings are detailed, showing individual feathers. The lion body has a strong, muscular build and features a tufted tail similar to a lion's.
The overall complexity of the drawing is moderate. It has enough detail to be interesting but is not overly intricate, making it suitable for both adults and older children.