Birds and Mammals

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Across
  1. 3. Hardened feeding structure of birds
  2. 4. Flat surface structure of a feather designed to catch the wind
  3. 5. Girdles Skeletal feature where the legs are attached to the body
  4. 6. Tiny extensions from barb to the vane of the feather to hold them together
  5. 7. Feather This type of feather covers the surface of the bird and gives it its color
  6. 9. Animals that consume both vegetation and meat
  7. 10. Feather Large feathers that birds use to push against the wind
  8. 11. Voice-Box of a Bird
Down
  1. 1. Glands Milk-Producing glands that are only found in mammals
  2. 2. An extension of the sternum from which the pectoral muscles originate
  3. 5. Girdles Skeletal feature where the wings are attached to the body
  4. 8. Grinds food to help the digestive system