What can fly and has four legs?
Why are there no flying animals with four legs?
Are there animals with three legs? Are there any animals with three legs? Do all insects have 6 legs? Why can't humans fly? Why are bats the only flying mammal? Why do so many animals have a tail? Why do some spiders have 5 legs? Which animals walk on two legs? How did wingless animals evolve wings? Why do spiders have so many legs? Why do birds walk when they can fly? Why do some airplanes have low wings, and others have high wings? Why does birds fly? Why can't chickens fly? When many other insects also fly, why is the fly alone called a fly? Why do birds fly together? Why do animals have tails? How can humans fly? What has 8 legs? When flying, why does it look as if the ground has many perfect shapes? Is it true that aerodynamically the bumble bee shouldn't be able to fly or is that a myth? Why do flies fly in circles? Can a plane fly with no engines? Why don’t planes have parachutes? Why can't kangaroos jump backwards? Is it true that aerodynamically the bumblebee should not be able to fly? Why aeroplanes fly in sky? What four-legged animal (i.e. quadruped) is most similar to the human? Which nocturnal animals eat whilst flying and what do they eat? Why are there no wolves in circuses?