Denser where there is a patch of sunlight, but colouring the ground everywhere with drifts of blue.
At Marks Hall, last Monday, we saw many clutches of goslings being fiercely guarded by Mum and Dad. Note how the little ones are between the two parents.
And greylags on the water.
The start of this year's drive for the General Beadle Elementary in Rapids City, a primary with a high percentage of Lakota students.
These sets build up quickly if at least one element is sewn or bought rather than knitted.
I can picture five and six year olds wearing these in the snow, even as the sun warms up here.