Good pigment (black) over nose/lips and around eyes
is preferred in the American Bulldog. Many pups are born
with no pigment (pink) but the color develops over the first twelve months.
Some individuals develop more slowly, taking up to three years to fill in.
See the comparison study below of "Duke" born October 2013.
Duke at 4 days
4 weeks
6 months
1 year
Duke at 14 months
18 months
24 months
30 months
Duke at 36 months
Malachi / Panda Pup "Moses" born 2015
Comparison photos at 2 weeks and 52 weeks of age
1 week
8 weeks
11 months
Gator / JJ Pup "Rosie" born Jan 2016