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Cities can help migrating birds on their way by planting more trees and turning lights off at night

  • Written by Frank La Sorte, Research Associate, Cornell Lab of Ornithology, Cornell University
Cities can help migrating birds on their way by planting more trees and turning lights off at nightTennessee warblers (_Leiothlypis peregrina_) breed in northern Canada and spend winters in Central and South America. Kyle Horton, CC BY-ND

Millions of birds travel between their breeding and wintering grounds during spring and autumn migration, creating one of the greatest spectacles of the natural world. These journeys often span incredible...

Read more: Cities can help migrating birds on their way by planting more trees and turning lights off at night