Winter may not be your favorite season, but finding a way to enter into it makes it a lot better. Kids love winter. They find ways to play in the snow. Aubrey (the female heron) and her male friend have kept me busy this winter following them as they sat out migration to stay here and live in cold rain, ice and snow. They challenged me to find answers to why they can live with their feet in the cold water of a lake and why they spend so much time fishing. As for the legs–it turns out they have a separate circulation system in their legs which moves independently…