Experts found the giant bird running very fast, living 1.5-2 million years ago, may have been the target of prehistoric hunters.
Nearly three decades ago, a group of archaeologists discovered a giant bird claw in the cave on Mount Owen, New Zealand.
Early birds 100 million years ago gave up the long bone tail in exchange for flexible legs and evolutionary advantages.
Recently, scientists have identified and detected pigmented particles called melanosomes in bird fossils very early as well as in some dinosaurs and they predict the color of