What Do House Sparrows Do at Night? A Complete Guide to Their Nocturnal Behaviour
House sparrows are diurnal birds that sleep at night, typically roosting in dense vegetation, building cavities, or communal roost sites. They begin settling into their roosting spots approximately 1-1.5 hours before sunset and remain relatively inactive until sunrise. During winter months, they often engage in communal roosting behaviour to conserve body heat, which can reduce energy expenditure by 11-13% based …
