GUESS WHO?

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Across
  1. 3. An animal that lives in the Arctic and cannot fly (8 letters)
  2. 5. A small animal with a bushy tail that can climb trees (4 letters)
Down
  1. 1. A big gray animal with a long nose (9 letters)
  2. 2. A magical horse with a horn on its head (7 letters)
  3. 4. An animal with a long neck that lives in Africa (7 letters)