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
Tennessee warblers (_Leiothlypis peregrina_) breed in northern Canada and spend winters in Central and South America.
Kyle Horton, CC BY-NDMillions 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...

