[["Redwing blackbirds migrate to the marshes in the southern states of the United States. Other blackbirds will migrate if food becomes scarce, but may stay in the same territory year-round.", 144.0], ["The blackbirds that live in northern Europe such as the Scandinavian countries, will fly south-west to spend the winter. The colder climate further north will make food hard to come by, so these birds may appear in the UK during autumn for our less severe winter.", 93.0]]
do blackbirds migrate
animals,birds,hummingbirds