Single nest utilization to rear three consecutive broods by a pair of parents of house sparrow, Passer domesticus

This study narrates the observations made in domestic bird, Passer domesticus which lives close to human habitation and prefers to select safer corner in the house where they can uninterruptly build their nest, lay eggs and rear the chicks. Besides their busy schedule in preparing the nest with the untiring efforts of both the parents, they have to keep in mind every preparation to ensure safe survival of the chicks till they are capable to fly independently. The most surprising thing which could be observed in this study was the utilization of the same nest thrice by the pair to rear three sets of progeny and in each set, four chicks were reared. This endeavor of a single pair of domestic bird, house sparrow, for about 3.5 months indicates unique social setup to boost the number increase of their offspring to ensure existence of the species.