Animals' actions

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Across
  1. 3. to move smoothly like a snake, sliding the body along the ground
  2. 6. to make a loud, deep, strong sound, like a lion or a big animal
  3. 7. to move through the air using wings, like a bird, insect, or plane
Down
  1. 1. to move slowly on your hands and knees, or with your body close to the ground
  2. 2. to dig a hole or tunnel in the ground to live or hide
  3. 4. to jump a little, usually on one foot or like a small animal
  4. 5. to move with hand and legs very fast, like running