Mae'r parc yn llawn seiniau gwahanol ar gyfer Betsan, Roco a'i Fam i archwilio. Beth am ddarllen y stori i ddarganfod sut mae seiniau gwahanol yn cael eu creu mewn natur a sut gall clustiau mawr helpu anifeiliaid i glywed?
The park is full of different sounds for Betasn, Roco and his Mother to explore. Read the story to find out how different sounds are made in nature and why big ears can help animals hear these sounds.
