I made a list of nice animals with the help of kiimcakes (https://www.deviantart.com/kiimcakes)!
✓ = completed
1. royal yak
2. eastern quoll ✓
3. icelandic sheep ✓
4. tasmanian devil
5. maned wolf
6. japanese flying dwarf squirrel
7. american kestrel
8. dingo
9. dodo
10. japanese crane
11. viscacha
12. black-footed ferret
13. laperm cats
14. spectacled bear
15. reeves's muntjac
16. victoria crowned pigeon
17. roborovski's hamster
18. ribbon seal
19. blue-footed booby ✓
20. oncilla
21. okapi
22. borzoi dog
23. sugar glider
24. wombat
25. umbrellabird
26. jackal
27. hedgehog
28. cobra
29. newt
30. doberman
31. sable an