Q 1. List three functions of feathers other than flight. List three functions of fur other than warmth. 2. Compare the beak of a predatory bird to the teeth of a predatory mammal. How are these similar? 3. Which teeth do herbivores lack? Why do they lack those teeth? 4. Find an example of a fast plantigrade, digitigrade and unguligrade animal. Which of these animals is the fastest of the three? Why is that? 5. Why might it be difficult for an eagle to drop a fish it is carrying when it is mobbed by another eagle? 6. What adaptations do birds have for flight? 7. How are the wings of mammals less efficient than those of birds? What are the implications of those lesser wings on those mammals?