RUMORED BUZZ ON RIDDLE

Q: My skin is green and slippery, I have 4 legs and webbed toes, I hop on land and swim underwater, I like bugs and minimal fish to take in. What am I?138. I are available in many various hues and I get even larger After i’m full. I will float away if you don’t tie me down And that i will make a loud seem if I crack. What am I?Riddles provides