Happy Birthday!

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Across
  1. 3. a piece of land surrounded by water:
  2. 5. a luxuriant, dense forest rich in biodiversity, found typically in tropical areas with consistently heavy rainfall:
  3. 7. + 5 = 9
  4. 8. with or in proximity to another person or people:
  5. 11. expressing gratitude and relief
  6. 13. walk in a military manner with a regular measured tread
  7. 14. a stout seed- or fruit-eating bird with a small head, short legs, and a cooing voice, typically having gray and white plumage
Down
  1. 1. feeling or showing pleasure or contentment
  2. 2. the mass or line of foam formed by waves breaking on a seashore or reef
  3. 3. a large, arboreal, tropical American lizard with a spiny crest along the back and greenish coloration, occasionally kept as a pet.
  4. 4. – 2 = 13
  5. 6. resembling the tropics, especially in being very hot and humid:
  6. 7. a fortified building or strategic position:
  7. 9. a long body of water curling into an arched form and breaking on the shore:
  8. 10. a strip of land covered with sand, pebbles, or small stones at the edge of a body of water, especially by the ocean between high- and low-water marks:
  9. 12. a tailless amphibian with a short squat body, moist smooth skin, and very long hind legs for leaping.