This depression was observed shortly after the snow melted in a small opening in the woods of the Green Mountains. What is it?
Answer
The bottom half of a rodent tunnel (maybe a vole?) created in the subnivean zone. The upper half was formed by snow. Ironically, it’s usually only after the snow is gone that we can see evidence of the life that takes place in the subnivean zone; learn more about it here.
This week’s contest winner was Robert E. Zimmerman