The bird which you are seen is called as “ Archaeopteryx “. These kind of birds lived around 150-145 million years ago. These bird fossils were found in southern Germany. The growth of the bird is about 1.6 ft in length. It was discovered in 1861. Unlike our modern birds it has small teeth, long bony tail, broad wings, hyper extensible second toes i.e., killing claw and three fingers with claws. It has the characteristic of small dinosaur. There are many controversies during expedition i.e., whether they belong to birds family or dinosaur family.