Vertebrate Bird Activity

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Across
  1. 3. A bird can live on land, in the air, in marshy areas, and near _______
  2. 6. Word that means not able to fly
  3. 7. A bird's way of breathing
  4. 10. Has very fast-moving wings
Down
  1. 1. Hummingbirds move their wings in a figure _____ pattern.
  2. 2. Are endothermic animals with wings
  3. 4. Where are the loosely attached feathers on a hummingbird?
  4. 5. One of the only flightless bird species
  5. 8. Attacks with long bills
  6. 9. Do birds give live birth or lay eggs?