Tracking the Flight of Birds with Tiny Backpacks 

“We knew that purple martins went to Brazil and wood thrush went to Central America,” said Bridget J. M. Stutchbury, a biologist at York University in Toronto, who with colleagues fitted birds from the species with the sensors and mapped their migrations last year. “But the details of how an individual gets there, what routes they take, how fast they fly, how often they stop to rest — these are the kinds of details we have never been able to have.”

Last summer, she and her colleagues applied sensors to dozens of more birds. The work is important, she said, because songbird species are

already in steep decline and climate change may threaten crucial habitat.

Read the entire article from The New York Times here:   Tracking the Flight of Birds with Tiny Backpacks