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Killer whales tend to attack grey whales.
Grey whales are born in the warm waer of mexico
They go on journeys that can take 3 months.
When they travel they get closer to danger.
The attacks can somtimes take 6 hours.

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BBC One - Planet Earth Live, Series 1, Episode 8, The Gray whale's journey

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Watch the ordeals faced by Gray whale mothers and their calves during their annual migration north.

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Migrate to explore all the places.
Migrate to get to hotter places.
Migrate to live in a better place.
Migrate to get better pets.
Migrate to try differnt things.

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Generation means a group of people or other animals and living during the same time.

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They make the journey to Canda when it is spring in other places so that they can get to there favourite summer places in anada.

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They need to travel around 4,000 k to get to Canada from Mexico.

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Wild beast arrive after the rain because the wild beast follow the rain

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the wildbeest go to serengiti plains to migrate. Serengiti plains are in Africa.

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they put on a little transmattier to the animal they want to track and/or use sattilights

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I think this relates to the cuckoo because when you see the cuckoo it means its spring now.

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9. Exsamples of when animals know when to migrate.

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9. Exsamples of when animals know when to migrate.

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When the seasons change,
When the animals body fat gets low, Differnt cues help animals decide to migrate, Temperture change,

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Larva migrate back by drifting threw the currents and

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They head out to sea to migrate across there and then they come back and repeat it once more and there lava/babies drift back to NZ

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They migrate in their lifecycle at the start and at the end

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The southern right whales spend there time there breeding and feeding.

They go to the souther ocean.

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Miragation can be used for the animals to get more food.

Migration is a long distance journey.

some animals migrate futher than others and in little packs like birds.

Differnt animals migrate in differnt years and seasons.

Migration is used to breed and raise there babies.