At https://phys.org/print410076807.html … bringing home the fact southern Europe was semi-tropical not so many million years ago – just 16 it would seem. This is how far the Iberian peninsular has shifted since that period – either by Plate Tectonics/Drift or by pole movement.
Catalonia had a fauna and flora that is nowadays associated with much warmer parts of the world – such as alligators. Those surviving members of this family are normally associated with Florida, living in a distinctly watery environment. Not just alligators but caimans too – smaller members of the crocodile family. In addition, many other species has been found from the same period – such as rhinoceros, early types of elephant, peccaries, mouse deer, pigs and bovines etc.
Meanwhile, at https://archaeologynewsnetwork.blogspot.co.uk/2017/03/scientists-make-ne… … which is about birds in the Dinosaur Age (real birds rather than flying reptiles).