Wildlife Zoology Student

A college student needed a small two-hour course to fill his schedule and the only one available was wildlife Zoology.After one week, a test was held. The professor passed out a sheet of paper divided into four squares. In each square was a carefully drawn picture of a bird's legs.No bodies, no feet, just legs. The test asked each student to identify the birds from their legs. The student sat and stared at the test getting angrier every minute.Finally he stomped up to the front of the classroom and threw the test on the teacher's desk. "This is the worst test I have ever written.”The teacher looked up and said: "Young man, you have flunked the test.What's your name?"The student pulled up his pant to the knee showing his legs and said:"You tell me..."