Animals & Nature Animals & Nature Which is the largest species of shark? Play Now Other quizzes Animals & Nature Which is the largest species of shark? Play Now Animals & Nature Which animal can change its color to blend with its surroundings? Play Now Animals & Nature Which animal is known for its ability to sleep while standing up? Play Now Animals & Nature Which bird has the largest wingspan of any living species? Play Now Animals & Nature Which bird is known for its unique ability to fly backward? Play Now Sign up for Quiz Daily! By subscribing to Quiz Daily you are agreeing to our Privacy Policy and Terms of Use. Sign up