Bird beaks come in all shapes and sizes, and through observing those differences we can learn a lot about them. It gets really interesting when we take a closer look at beaks that are different in a more subtle way.
As I make my way around the frozen Kettle Pond at Faville Grove Sanctuary, flocks of American Tree Sparrows flutter from weed patch to weed patch, foraging along the snow-dusted ground and knocking seeds loose from the tops of dried plants.
The Dark-eyed Junco returns to Southern Wisconsin as the first dustings of frost glint in the morning light, and the prairies’ colors settle into the tawny hues of late fall.