Asked in Human Origins
Why don't humans have wings?
Asked in Birds
What are two bones you will find in a bird but not a human?
How come birds can defy gravity and humans cannot or is there a way to make us fly without an airplane?
Asked in Wasps and Hornets, Hummingbirds
How many times does grandpa to flap its wings to fly?
Asked in Flying Mammals
What is the only mammal with no wings that can't fly but does fly?