Lesson 2

Question 1

What are feathers made of? Where else can this be found

Answer 1

keratin:found on bird’s legs, feet, and bill als on the hair, hooves, claws, and horns of other animals

Question 2

Why do some birds look fluffier than others?

Answer 2

Fluffy bird feathers lack barbicels, which allow their feathers to remain loose

Question 3

How do flight contour feathers and body contour feathers differ?

Answer 3

Flight contour feathers: asymmetrical to provide bird with aerodynamic lift Body contour feathers: shorter, with softer barbs to aid in insulation

Question 4

What is the purpose of down feathers?

Answer 4

protect bird from extreme temperatures.