THE SMART TRICK OF RIDDLES THAT NOBODY IS DISCUSSING

Q: My skin is environmentally friendly and slippery, I've 4 legs and webbed toes, I hop on land and swim underwater, I really like bugs and little fish to try to eat. What am I?138. I are available many various colours And that i get bigger Once i’m entire. I will float absent if you don’t tie me down and I can make a loud sound if I crack. Wha