Schoeniclus schoeniclus
Diet
Insects when feeding young; seeds at other times
Habitat
Mainly reedbeds, also moorland and arable land
Range
Breeds across Europe and much of the Palearctic; most migrate south, one subspecies winters in South Asia
Clutch size
4-5 eggs
Incubation period
12-15 days
Size
13.5-15.5cm
Weight
10-28g
The common reed bunting is 13.5 to 15.5cm long and weighs 10 to 28g. Males have a black head and throat, a white collar and a barred brown back, and females are duller with a streaked head. It lives mainly in reedbeds but also on moorland and arable land, and the male's song is a repetitive call (Wikipedia, general species account).
It breeds from April to August, usually with four or five eggs incubated for 12 to 15 days, feeding insects to chicks and seeds otherwise. Nineteen subspecies are recognised; it breeds across Europe and much of the Palearctic, most birds migrate south in winter and the source notes that one subspecies winters in South Asia. It does not mention Nepal (Wikipedia, general species account).