This was the earliest anncestor of the bird. This dinosaur lived about 150 million years ago.
Evolution of the Bird
This was evolved from the Archaeopteryx. It was smaller than it and it was on Earth about 125 million years ago.
This approximately large bird lived about 120 million years ago. It was approximately the size of a turkey.
This particular ancestor of the bird has evolved by lolsing most of its tail and clawed wings. This bird roamed the Earth 120 million years ago.
The confuciusornis lived around 115 million years ago. It did not have teeth like these previous birds. Also, it had a beak.
The modern bird has a feathered tail and a beak. Its wings are not clawed and they don't have any teeth.