Sparrow Sized clever bird found in the Indian sub-continent and parts of Asia.
Build / weave hanging nests generally on thorny trees or palm trees and sometimes hanging over water, in a way to be safe from the predators. Interestingly, they also reinforce the nests with dunk and mud blobs to withstand even the heavy winds.
A popular folk belief in India that these birds stick fireflies with mud to the nest walls to light up the interior.