Final answer:
The starting point of the black bird is (4, 0), indicating that it is 4 units along the x-axis and 0 units along the y-axis in a Cartesian coordinate system.
Step-by-step explanation:
The coordinates of the starting point of the black bird are (4, 0). In a Cartesian coordinate system, the first number represents the x-coordinate (horizontal position) and the second number represents the y-coordinate (vertical position). The point (4, 0) means that the bird is 4 units to the right of the origin along the x-axis and at the origin along the y-axis.