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You answered your own question actually. They migrate because it's cold. Many migratory birds fly to North America for our summer and to South America for their summer. That way they're always in summer. (When it's winter in North America, it's summer in South America and vice versa.) So when it starts getting cold, that's their signal to start migrating to the warmer climate.
What else can I help you with?
Why do killdeer migrate?
the bird killdeers migrate due to weather conditions
How does a Bird it protect itself from cold weather?
Bird's feathers act as insulators against the cold. They often survive cold weather by finding a protected area out of the cold weather.
Why do things migrate?
because when the weather in some areas is cold they migrate to warmer climate
Do great white sharks migrate in cold weather?
YES
Why does extreme cold weather in spring cause bird populations to decrease?
During extreme cold weather, the birds migrate to far places which are warmer comparatively, generally for mating and laying their eggs they need a warm place. So eventually the population of birds decrease for that particular place. But after the cold weather gets over they return.
What might happen to a bird that decides not to migrate?
they will die because they will get too cold!!
Why do monarch butterflies need to fly?
They need to fly to be able to migrate. They migrate south to avoid cold weather in the north.
What do animals that migrate do?
Animals either migrate to escape cold or bad weather, to look for food and in some cases to mate.
What do animal that migrate do?
Animals either migrate to escape cold or bad weather, to look for food and in some cases to mate.
Do buzzards migrate?
Yes, some species of buzzards do migrate. Their migration patterns can vary based on food availability, weather conditions, and other factors. Some buzzards may travel long distances between their breeding and wintering grounds.
Why do butterflies migrate every year?
Butterflies are cold-blooded and thrive in warmer weather. Migration typically starts in October every year but can start earlier if the weather is cold sooner. They also migrate because larval food plants do not grow in cold weather. Butterflies fly back up north when plants are plentiful.
How an osprey's feathers insulate it in cold weather?
They dont insulate it,they have to migrate
