On Wednesday, bird watchers flocked — see what I did there? — to the Peabody Museum despite the frigid weather to par- ticipate in guided walks around Science Hill. These tours are organized by the museum’s education office in coordination with the Yale Office of Sustainability. Emilie Foyer went, took pictures, froze, thawed and hopefully identified these birds correctly. Who knew hav- ing a friend who had taken “Ornithology” would come in handy? Sadly, there was no sign of the peregrine falcon that has decided to take residence on Kline Biology Tower.