Definition
The vesper sparrow is a small, brownish bird known for its melodious song at dusk. Its name, 'vesper,' reflects its twilight singing habit. It's a ground-nesting bird, preferring open grasslands and fields. Compared to other sparrows, it has a distinctive white outer tail feather that flashes in flight. It's a common sight in many parts of North America. Think of it as the singer in the twilight chorus, its tunes marking the end of the day. It's a subtle but significant part of its ecosystem.