Answer:
The signature stroll of ducks and penguins.
What is green, has four legs, no tail, and usually heard at night?
What kind of fish chases a mouse?
Stealthy as a shadow in the dead of night, cunning but affectionate if given a bite. Never owned but often loved. At my sport considered cruel, but that's because you never know me at all.
Old Grandpa Diddle Daddle jumped in the mud puddle, green cap and yellow shoes. Guess all your loftiness and you can't guess these news.
What is it that makes tears without sorrow. And takes its journey to heaven?
Animal
Difficult
Easy
Food
Funny
Kids
Logic
What am I?