Which sea creature has three hearts?
Which sea creature can glow in the dark?
Which animal has the longest lifespan?
Which animal has rectangular-shaped pupils?
Which animal can sleep while standing?
Which insect can carry many times its body weight?
Which sea animal has 3 hearts?
What is the only mammal capable of true flight?
Which animal is the largest living land carnivore?
Which animal has black skin under white fur?
