This small creature kills even the largest one.

Answer: bacteria

More Animal Riddles with answers

More Animal Riddles

Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.
Though desert men once called me God, today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
Though it be cold, I wear no clothes, the frost and snow I never fear; I value neither shoes nor hose, And yet I wander far and near: My diet is forever good, I drink no cider, port, nor sack, what Providence doth send for food, I neither buy, nor sell, nor lack.
Though it is not an ox, it has horns; Though it is not a donkey, it has packed-saddle; And wherever it goes it leaves silver behind.
Tiny creatures that have a special relationship with flowers.
To you, rude would I never be, Though I flag my tongue for all to see.
We dwell in cottages of straw, and labor much for little gains; sweet food from us our masters draw, and then with death reward our pains.
What always goes to bed with its shoes on?
What animal always goes to sleep with his shoes on?
What animal dwells in water and best known for its work ethic?
What animal has feet on the head?
What animal has no wings, but yet will fly?