SOUND OF ANIMALS:
1) FROG: https://www.youtube.com/watch?v=p7_kJXNytNw
2) GORILLA: https://www.youtube.com/watch?v=HWmZHrWSXkU
3) LION: https://www.youtube.com/watch?v=8StqowT8hME
4) POLAR BEAR: https://www.youtube.com/watch?v=UrA-HNEkyoQ
5) WHALE: https://www.youtube.com/watch?v=bYmccAtIzFo
6) FRUIT BAT: https://www.youtube.com/watch?v=qlgC-Mgu44E
