From your kitchen window or back porch, you catch the crimson and blue flashes of Cardinals and Blue Jays. Watching birds swoop in for a birdfeeder snack is often a soothing respite from the daily grind . . . until you catch a glimpse of a bald bird. Is the world really so stressful that even birds experience mid-life hair feather loss? Every year ornithologists and birding experts receive worried inquiries about bald birds that look like tiny vultures hanging around feeders. These reports frequently involve Blue Jays and Cardinals sporting some seriously funky styles. Some birds flaunt scraggly mohawks, while others look as if they have taken an electric shaver to their entire heads. While this can be an alarming sight, it is not necessarily a cause for concern. Let's explore what ails our balding buddies. What causes bird baldness? The causes of bird baldness are not fully known, but according to Emma Greig, Project Leader of FeederWatch at the Cornell Lab of Ornithology, may...