The water creatures In the winter turn to ice crystals and can hold up to 100,000,000 pounds by itself and can move, so near the winter it and its pack will move into caves. Also in the winter, giant land masses are moved and a pack can even sometimes move entire mountains so after winter the world is completely different.
I can’t read the comments so this is my idea.
The fire snapper. there are not enough fire types the fire snapper looks like
But that is the father this is the mother The mother can spin webs of fire and lite her shredders on fire to catch food for her family but the father has no abilitys except the father can make him self look like anything to scare the predators and the mother lays the eggs in the dirt and the father protects the eggs I will do more future apocalypse.