B 1861. The remains of Archaeopteryx, a crow-sized feathered creature that lived about 145 million years ago, were found on the teppitory of southern Bavaria. According to many scientists, the ancestor of modern birds But for more than a century in paleontology, there was a gap between it and real birds, not filled with other finds. Only in the last 20-25 years with the discovery of many new feathered era of the Mesozoic it became clear: 140-110 million years ago their world was rich and diverse. However, different scientists interpret these findings differently .. Which of them is closer to the truth, and therefore to the understanding of the ways and patterns of evolution?