Microorganisms, Bacteria and Viruses. Microbiological contamination of water has long been a concern to the public. From the 1920's-1960's, the bacillus which causes typhoid fever was considered a major problem in the water supply (1). Once it was eradicated, new microbes were present to take its place.
How long does a mourning dove sit on her eggs for them to hatch? Robins keep the clutch cool before the last egg is laid so the nestlings all hatch at approximately the same time. Incubating is done mainly by the female, who rarely leaves her clutch for more than a few minutes at a time.
Best Answer: You've found a robin's nest. If left undisturbed, the eggs should take about 14 days to hatch. And the baby birds will leave the nest about 14 days after they have hatched.