Gainesville, Virginia. Homefacts City Report. Gainesville is located in Prince William County, VA. The population is 11,225. There are 5 public schools in Gainesville with an average Homefacts rating of A. The total crime rate for Gainesville is very low, and there are 21 registered sex offenders residing in the city.
On average, northern cardinals live for 3 years in the wild although several individuals have had life spans of 13 to 15 years. The longevity record for a captive northern cardinal is 28 Â½ years!
The female northern cardinal builds the nest, incubates the eggs for 11 to 13 days, and broods the altricial chicks for the first 2 days or so. During incubation, the male brings food to the incubating female. Both parents feed the nestlings a diet of insects and remove fecal sacs from the nest.