The Earth is Degenerating

Synopsis: Global species are degenerating, and humans are experiencing atavism. Wolves degenerate into Ancient Wolves, cats degenerate into Ancient Cat Beasts, birds degenerate into Archaeopteryx, pigs degenerate into giant pigs that can fight dinosaurs... Saber-toothed tigers, Tyrannosaurus Rex, Titan Pythons, Mosasaurs, Megalodons, Savage Lions, Emperor Crocodiles, Mammoths... Ancient creatures that once dominated the ancient Earth are successively descending, and the former rulers of the Earth are about to return... Official book club group: 255400347.