Published: August 22, 2018
Sooty Birds Share Dirt on Air Pollution [60 Second Specimens]
Every specimen has a story; these dirty birds helped scientists answer questions about levels of air pollution in the United States over a period of 135 years.
Sources/Articles:
Bird specimens track 135 years of atmospheric black carbon and environmental policy.
The Dirty Secrets Saved in Dead Birds' Feathers -- New York Times
'Sooty birds' reveal hidden US air pollution -- BBC
Dirty birds show just how catastrophic air pollution used to be -- Washington Post
Thanks to Ben Marks and Shane DuBay for their help with this video!