With 116 years of unbroken data, the annual Christmas Season Bird Count continues nationwide. Professor K.C. Jensen and volunteer birder Michael Melius share what it's like to count birds in the middle of a South Dakota winter. From climate change to invasive species to the misplaced Great Kiskadee, the state of migratory birds tells scientist more about the natural world than might be expected.
Dakota Midday: Christmas Season Bird Count
