2016 has been on a record-breaking warm streak , according to the National Oceanic and Atmospheric Administration. So what does this unseasonably warm fall mean for birds that need to start packing up and heading south? Andrew Farnsworth is a research associate with the Cornell Lab of Ornithology, and he runs BirdCast – it’s a tool the lab created to forecast what’s happening with bird migration each week. He says how weather patterns affect birds varies by species. “Some birds are dramatically