because it is cold, and they cannot live in the -50 degree weather
Some organisms migrate because they can not adapt to the winter. They need to migrate because in the winter, it is too cold for them so they need to move to a place with a warmer climate.
migrate
No, they don't migrate. They hibernate in the winter.
they migrate in december and january
they migrate to Florida
Birds usually migrate in the winter.
They migrate in the winter.
crows migrate in winter and summer
Animals migrate because of changes in weather or local availability of food. This is either an annual change as in bird migration or as part of their life cycle as in Atlantic salmon.
no
All Hammerhead sharks migrate to warmer waters in the winter
the conditions in the winter force woodsandpiper to migrate
If it does not migrate it stays where it was in the summer.