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.
They will also begin to develop deep red combs and wattles. Growth can vary depending on breed, genetics and overall health, so talk to your veterinarian if you have any concerns about the way your birds are developing. The average chicken will live between 8 to 10 years.