When wood thrushes arrive in northern Mississippi on their spring migration and begin to serenade my neighborhood with their ethereal, harmonized song, it’s one of the great joys of the season. It’s also a minor miracle. These small creatures have just flown more than 1,850 miles (3,000 kilometers), all the way from Central America.
Other birds undertake even longer journeys — the Swainson’s thrush, for example, nests as far north as the boreal forests of Alaska and spends the nonbreeding season in northern South America, traveling up to 5,600 miles (9,000 kilometers) each way.
