Dinosaur Extinction cleared way for Gigantic Animals

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

Evolution is real ....

"Evolution can happen very quickly when ecology permits."

When the age of dinosaurs was quenched 65 millions years ago it preceded the age of mammals and some were gigantic but how and why did their size evolve as it did?  Click topic for Article LINK that tells us why.