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