Reader Ellen Snyder took this picture last weekend at College Woods in Durham, New Hampshire. What is this dark splotch?
Answer
We had a variety of guesses for this one, including frog spawn, black slime mold, vermicompost, staymat gravel, unused black powder, and our favorite, “Uncle Jed was out shooting his gun again and up come some bubblin’ crude.”
Of course, what you’re really looking at are tens of thousands of springtails, also known as snow fleas. To learn more about these tiny hexapods, click here.
This week’s contest winner was Richard Wolniewicz of Magnolia, MA