1.a. grizzly bear
1.b. black bear
1.c. polar bear
1.d. panda

2.a. chimpanzee
2.b. gorilla
3.c. orangutan

4.a. aye aye
4.b. gibbon
4.c. mandrill
4.d. capuchin
4.e. langur

5.a. cat
5.b. bobcat
5.c. cougar
5.d. cheetah
5.e. lynx
5.f. ocelot
5.g. male lion
5.h. female lion

6.a. dog
6.b. puppy
6.c. hyena
6.d. fox
6.e. jackal
6.f. coyote
6.g. wolf

7.a. capybara
7.b. beaver 
7.c. mink
7.d. mongoose
7.e. marmot
7.f. groundhog
7.g. chinchilla
7.h. echidna

8.a. aardvark
8.b. armadillo
8.c. badger
8.d. honeybadger
8.e. coati
8.f. opossum
8.g. rabbit
8.h. hare
8.i. rat

9.a. snake
9.b. cobra
9.c. kingsnake
9.d. black mamba

10.a. alligator
10.b. monitor lizard
10.c. iguana
10.d. tortoise
10.e. snapping turtle
10.f. alligator snapping turtle

11.a. cow
11.b. horse
11.c. donkey
11.d. mule
11.e. alpaca
11.f. llama
11.g. pig
11.h. boar
12.a. camel
12.b. reindeer/caribou
12.c. water buffalo
12.d. yak

13.a. seagull
13.b. barn owl
13.c. common buzzard

14.a. kangaroo
14.b. koala

15.a. penguin
15.b. little penguin
15.c. cassowary
15.d. emu

16.a. chicken
16.b. rooster
16.c. mallard duck
16.d. swan
16.e. turkey
16.f. guineafowl
16.g. peacock

17.a. goat
17.b. mountain goat
17.c. ibex
17.d. sheep (ram)
16.e. sheep (ewe)