What should we call this time of winter? (Snow edition)

Treefall, Chestnut Trail, Ridge Hill Reservation, Needham, MA

Trails get white and crunchy?

Cooper's Hawk, Cutler Reservation, Needham, MA

Red Squirrels chatter at accipiters?

Common Mergansers, Charles River, West Roxbury, MA

Mergansers appear in the distance?

Charles River, West Roxbury, MA

Blue sky in icy water?

American Tree Sparrow

Tree sparrows arrive? (my favorite)