I think around 20-22 weeks of age, depending on the season and amount of light they get.
Erm... I have no idea how old they are, but they're just becoming fully feathered, so a few weeks probably.
So fuzzy! I love 'em.
Erm... I have no idea how old they are, but they're just becoming fully feathered, so a few weeks probably.

So fuzzy! I love 'em.