Due to the time it would have taken some dinosaur eggs to incubate and hatch, it now seems unlikely that a number of dinosaur species would have taken the time to migrate.
There’s also the detail that since some eggs took so long to hatch, it would have been critical for dinosaur moms to find the perfect place to lay eggs – it’s not like they could have picked them up and moved them. They would have had to find a place they could get back to and protect quickly and easily.
Dinosaur parents that hung around would have provided additional protection from hungry predators. But for the eggs who took up to a year to hatch, like the Hypacrosaurus, it would have been quite the burden for dino moms and dads to remain in the same location.
If a predator knows you're always going to be in the same location for a long amount of time, even tiny dino brains might have figured out there are some tasty eggs nearby. Researchers have wondered if long incubation periods helped contribute to the extinction of some species.
The discoveries that Erickson and his team have made have called a number of previous theories into question.
One of the theories is the idea of a migration: Researchers have long suspected that a variety of dinosaur species spent the warm summer months in what are now areas of the arctic, and moved south for the winter to escape the cold, into areas of Canada. But with this incubation information, a migration seems more unlikely.
There are more dino-difficulties to recognize when you think about parents hanging out the eggs for so long. By staying in place for months on end, dinosaurs risked starvation, wily predators, and even natural disasters.
They would have been at a big disadvantage being tied to a specific area where they had laid their eggs. Maternal and paternal instincts run deep in lots of creatures, and keeping your children safe might have led some dinos to risk their own lives.
You probably know that around sixty-six million years ago an asteroid struck the earth and threw into chaos the entire world.
Debris filled the atmosphere and lowered temperatures dramatically, changing the ecosystem of the entire earth and turning the planet dark.