As well as the myriad of things The Professor did, Aldo Leopold was a bird bander. The December chapter of
his book A Sand County Almanac ends with a part called 65290, the band number of a chickadee.
I will then talk about the first bird I thought of when reading about bird banding, an ocean traveler with a seven foot wingspan. She has amazed people for decades; a banded bird called Wisdom.