Bird feces reveals that when birds migrate, their gut bacteria change

Researchers used tiny radio trackers to follow the movements of birds that migrated between The Bahamas and Michigan, and they found that the same individual birds' gut bacteria were different in the two locations. And to figure that out, the scientists had to get up close and personal with a lot of bird feces.

from Top Environment News -- ScienceDaily https://ift.tt/3AUopNF