Not all sources give four hours as the guideline for priapism occurring: The duration time of a normal erection before it is classifiable as priapism is still controversial. Ongoing penile erections for more than 6 hours can be classified as priapism..
Guinness World Records (London, England) Considering that the average lifespan of a chicken is generally no more than seven to eight years, Keith and Donna contacted Guinness World Records on July 30, 2001, to make them aware that Matilda was eleven years old and still in excellent health.
Roosters can live just as long as hens. Chickens can live up to 15 or 20 years, but the average backyard chicken lives for 5-8 years. The first answerer was pretty much right on the dot with this one. They can actually have a lifespan of up to 15 years. Pet chickens average lifespan is about 15 years.