However, don't completely eliminate sunlight, because baby sparrows needs sunlight to colour their wings. Being an electrician I have worked on a lot of houses and commercial buildings with other tradesmen such as carpenters. Baby sparrows stay in the nest for approximately one month or 30 days. I have a nest in my backyard with baby sparrows in it. The nest is in a basket hanging on a wall. How Long Do Baby Birds Stay in the Nest? You may have to wait about 12 days for eggs to hatch and up to 3 weeks for young to leave the nest. They are independent (feeding themselves) 7–10 days after leaving the nest. I took it inside to take a picture of it and hung it back up. Removing the nest The female will lay between two and five eggs, which take between 10 and 17 days to hatch. Young stay with adult male for a few days, then gather with other young into foraging and roosting flocks. Keep the cage in a ventilated place with indirect sunlight, the bird should not be exposed to direct sunlight for long. They usually will leave their nest and fly once their eyes have completely opened and developed. In the summer months there are often birds nests with babies on or in many of them. Some have the capacity to stay alive for many years, while a few years is the limit for others. I did research and it said sparrows dont smell human scent on their nests even if they touched the babies. Check the nest frequently—once the young leave the nest, remove the nesting material, and seal the openings. 5. Dispersal: Birds generally remain near breeding colonies. If the weather is not cooperating, the female sparrow may wait to begin incubating her eggs. If you took the baby sparrow from the street, it could be dehydrated from spending hours outside the nest. Well I went to the mall and now im back and went to check up on the babies, the mother isnt in the nest. If you find eggs or young birds in attics or similar cavities, leave them be. Here, you’ll learn how long a sparrow can survive for. By Staff Writer Last Updated Apr 11, 2020 10:50:06 AM ET The Cornell Lab of Ornithology states that … It's not unusual for sparrows to build several nests, as predators may steal the eggs or the sparrows abandon the nest for something better. Just like there are several species of birds, sparrows are also diverse in species too.