Because they are different animals
l don't know
A bird is a warmblooded animal because it's body temperature/blood temperature do not match the temperature of the environment is in. A shark is cold-blooded because it's body temperature changes with the water it's in.
An ornithopter is a device, whereas a bird is an animal
An animal can be a mammal, reptile, bird or ocean life. Animals can sometimes be domestic or even wild. Some animals can blend in with there surroundings and protect themselves from preditors.
Yes, but they can easily become feral if their wings are not clipped!
A cheetah is the fastest animal on this planet. The cheetah can run up to 70 - 75mph. The domestic cat can run at 30mph.
bird
bird
Yes, a bird is an animal.
A French Hen is a bird because their baby's are chicks, and chicks are birds. Their technically birds because birds are the only animal with feathers.
The national animal is a bird. The national bird is the Doctor bird.
An Eagle is a bird and there are lots of different types of Eagle, like the Golden eagle.