2. a dog

3. dogs

4. a puppy

5. a cat

6. a kitten

7. cats

8. a panda

9. a parrot

10. a tiger

11. a cock a rooster

12. a duck

13. a duckling

14. a pig

15. a piglet

16. a lion

17. a fish

18. a hamster

19. a mouse

20. a rabbit

21. a snake

22. a lizard

23. a tortoise

24. a turtle

25. a giraffe

26. a whale

27. a bird

28. a monkey

29. a gorilla

30. apes

31. an ape

32. a peacock

33. a shark

34. a crocodile

35. a polar bear

36. a penguin

37. a seal

38. a dolphin

39. a cow

40. a calf

41. a sheep

42. sheep

43. a lamb

44. lambs

45. a chick

46. chicks

47. a chickena hen

48. a goose

49. geese

50. a goat

51. a horse

52. a camel

53. a hippo

54. a kangaroo

55. an elephant

56. a frog

57. mice

58. a guinea pig

59. a jellyfish