This is a Paleo Art of the dawn of a new age, when the last dinosaur died and the sun finally shine after a 100,000 years of darkness.
Our ancestors the Purgatorius (the ancestor of all primates and all of man kin) witness their world recover and the dawn of a new age.
But also witnessing the beginning of the great competition of who will be the new top king of the predators?
Or the true Carnivorous Mammal?
Prehistoric animals featuring in this picture
A Prehistoric Bird (Depalma's Ornithuran)
Other animals featuring in this picture
As the first commenter of this art, Argentavis lived in the Cenozoic era in the Late Miocene long after the dinosaurs went extinct in Prehistoric Argentina.
Long after the bird went extinct, Argentina had, after wwii, a few criminals that believed to have escaped there after the war, Which would explain the villainy of the Argentavis Evil Zord.
I was saying six millions years after Argentavis Went Extinct, after wwii ended in Europe, a few criminals escaped to the country where the bird’s fossils were found would later be found in 1983.