Identify the different head shapes of cats (excluding ears) based on the provided image and descriptions.

Cat Head Shapes (Excluding Ears):

• 1. Round: A head that is generally circular in appearance.
• 2. Trapezoidal: A head shape that resembles a trapezoid.
• 3. Wedge-shaped: A head shape that is narrow at the top and widens towards the jaw, forming a wedge.
• 4. Triangular: A head shape that is broader at the top and tapers to a point at the chin, forming a triangle.