The background looked like a fishing net of sorts, so a bird that feeds off fish was a logical inclusion. Today's random thought: One good tern, deserves another!
The wallpaper version is at the preceding link.
Today's Gratitude Item: Figuring out binomial distribution. Its easy when you know how! Of course "getting it" took a considerable amount of time / effort. Its good to be reminded how some students feel when they are grappling with new concepts.