Will Sheep-Sized Rats Take Over the Earth?
Any list of rodent facts makes it abundantly clear that rats can go with the flow. In fact, they’re so adaptable that when nature shifts course and larger mammals become extinct, the little critters might just grow into giant sheep-sized rats to take up the space. If you think they’re icky now, just wait until their tails are two feet long.
It’s Happened Before
It’s inevitable that some of our larger animals will die out. When they do, scientists believe that rodents will evolve to fill the ecological niche. They’ll grow larger and develop whatever features enable them to survive, thrive and produce offspring.
It isn’t just a theory; it’s happened before. In the Cretaceous Period, dinosaurs occupied a large portion of space on the planet. During their reign, mammals were much smaller; many were the size of our modern mice and rats. Once the big guys were out of the picture, though, … Read Full Post »