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whales migrate there and seals live there year-round
Whales do the same thing every month.But, every year they migrate.
Humpback whales migrate every year. This is similar to every other whales. They usually migrate to either the Arctic or Antarctic regions for food then migrate to around the equator where they breed.
30,000,000,000 blue whales
There is no ocean that has the most whales all year. Because whales migrate, at certain times of the year the Indian ocean or the Southern ocean will have the most whales. The most species of whales are found in the Southern ocean.
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.
If Killer Whales are in Antarctica then they probably live there year round. Killer Whales don't migrate unless forced to because of their prey migration but they don't go far. They will also move based on the seasonal advancements and retreat of packed ice.
The must do both at different times of the year.
every year
As far as a blue whale can swim in a year
swallows live in a place called San Juan Capristrano, CA. People always know when spring comes. The swallows tell them! The swallows use an old spanish mission as their spring and summer home. In winter, they leave. In spring, the air is filled with birdsong The swallows are back! YYAAAYYY!
Winter