White-rumped Munia

The white-rumped munia, or white-rumped mannikin, is a small member of the waxbill family, about 10 to 11cm long, with a stubby grey bill and a long black pointed tail. The adults are brown above and on the breast and lighter below, with a white rump; the sexes are almost impossible to distinguish, though males have a bulkier head and bill (Wikipedia, general species account).

The nest is a large domed grass structure in a tree, bush or grass, into which three to eight white eggs are laid, and the species uses abandoned nests of the Baya weaver. It has often been observed near water feeding on algae. A domesticated hybrid, the society finch, is said by some sources to have this species in its ancestry. The source read does not name Bhutan.