Why does it have to be another clan? If you want to make a training ground to prepare people for Parrot, can't you use other means instead of bumping small unofficial clans to the 2nd page? If Parakeet doesn't aim to be prestigious and is simply used for feeding Parrot new members, does it need the benefits that come with the clan system, like warring and ranking? And I doubt it needs its own dsc either, considering that everyone uses discord or irc for chatting. Make a pseudo dsc thread in your main clan's board if necessary.

If you want to implement an official feeder clan system, it would probably be better to make it a sub section of the main clan rather than hosting it outside and taking space in the clan board, which is one of the most active boards plus it would be bad for the smaller unofficial clans as it was already mentioned a bunch of times.

If you're so repulsed by other people that you simply don't want them near you until they're parrot approved, then I don't really know what to say and I have no input on the matter.