would want much more than an estimate of its size.
They would want to know exactly what witnesses observed.
What direction was the bird traveling?
How long was it visible?
How high did it appear to be?
Was it flapping or gliding?
What was the shape of the wings?
Was the tail long or short?
Was the body bulky or slender?
What color did it appear to be?
Did it make any sound?
Was it alone?
Were there buildings,