Killer whales don't migrate at all so they wouldn't migrate just to have their babies it would be totally ridiculous.
they just migrate
antarctic i think .
killer whales can be 13
no they eat them for dinner
yes of corse
They keep them under them.
If you mean live young, then yes they do, as they are mammals.
Yes they do give birth to babiesADDITIONAL INFO the babies born will readily swim but not a great killer like he older one
Killer whales off the west coast of the United States spend the summer in the north pacific near Washington state and further north. In the winter they migrate to southern California
Grey whales migrate so that they can live where the conditions are the most favorable for their needs. They spend part of the year in northern waters where there is plenty of food, then they migrate south to have their babies where the water isn't so cold.
They move because of things like predators (humans), food or climate. Killer Whales also migrate to have their young
killer whale live in very cold water for exsample antartica water and they migrate when the water starts to get warm