While I wrote about the bold magpies last time, I completely forgot to mention the real stars of my bird feeder—the Eurasian tree sparrows (Passer montanus). It’s almost funny because they’re the most common visitors here, hopping and chirping like they own the place. How could I overlook them? I couldn’t help but chuckle when … More The Birds at My Feeder: Eurasian Tree Sparrow (Passer montanus)