In the past, it was simply part of the scenery. Anyone walking along village streets, passing by barns, or traveling through the countryside would hear the lively chirping of small sparrow flocks almost everywhere. Amidst hedges, fruit trees, and stables, the Eurasian Tree Sparrow (Passer montanus) was a familiar companion of daily life. Today, however,… Continue reading Why a Once-Common Bird Is Disappearing: the Eurasian Tree Sparrow