In human couples getting cold feet often is not the best sign, but not for this couple of Gentoo penguins - Buster and 99 - who are celebrating their 24th anniversary at Kelly Tarlton's.
Contrary to popular belief - penguins don't always mate for life but this isn't the case for these two love birds, who together have reared 19 babies.
Penguin Keeper Kristen Buckley talks to Lisa Owen.
