Animals

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Across
  1. 2. zebra ..., birds which are learning their songs
  2. 4. kręgowiec
  3. 6. intelligent quotient
  4. 8. to attribute human form or personality to sth
Down
  1. 1. pigment-containing cells in octopus
  2. 3. the family of birds that includes crows and ravens
  3. 5. ... test to check self awarness
  4. 7. language ..., the ability to understand the different elements of language