Starvation, harsh climates, and fires.
Sooty shearwaters migrate nearly 40,000 miles ayear
it is called migration.
its mainly a response to the need for food and water.
This will help the animal find a suitable climate for survival. just like a bird. the bird migrates for survival
In the context of punctuality as relating to consistent arrival of migration my vote goes to the Swallows of Capistrano
what are the causes of the migration of the navajos
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The vary of the amount of food and water available, the temperature, and the distance the animal travels.
migration
wildlife
Animal migration or Migration in animals
There is no migration in Antarctica: it is not home to any animal.
Innate behavior
Trade
Seasonal changes and food resources .
caribou
migration