Animal Crossword Challenge

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Across
  1. 4. A powerful predator whose sharp claws and teeth make it a top hunter in grasslands.
  2. 5. This clever bird can recognize human faces and solve simple problems.
  3. 6. This animal breathes using gills and moves using fins.
  4. 7. This plant-eater has antlers that fall off and grow again each year.
Down
  1. 1. This animal has no bones and improves soil by mixing it while moving underground.
  2. 2. This farm animal has four stomach chambers that help it digest tough grass
  3. 3. This reptile does not have legs or eyelids and swallows its prey whole.
  4. 6. As a young one it breathes with gills in water, but as an adult it uses lungs on land.