Feathered friends

12345678910
Across
  1. 2. Feather tracts
  2. 4. Most abundant feather on the bird's body
  3. 5. Hollow shaft provides support for the barbs
  4. 6. Material that makes up feathers, the same animals
  5. 8. Process in which birds replace old or damaged feathers
  6. 10. Flight feathers of the wing
Down
  1. 1. Flight feathers of the tail
  2. 3. The first fossil feather was found during this time period
  3. 7. Feathers on the bird are collectively referred to as
  4. 8. Pigments produce black to brown pigments in the body
  5. 9. Pigments produce red to orange pigments in the body