#1. There is an additional toe on the second chicken.

#2. There are fewer tail feathers on the third bird.

#3. There is just one thigh wrinkle on the fifth bird.

#4. There’s an additional feather around the neck of the sixth fowl.

#5. The seventh chicken is glancing up.

#6. There’s a longer butt crease on chicken number eight.

#7. There’s another distinction, but it’s the one that gets overlooked the most. No other fowl can see chicken number eight. You are a genius if you figured that one out.