For Sultans, LC only counts standard fowl. Unless they are true bantams, with no large fowl counterpart, bantam birds aren't included, because they've been crossed with other breeds to size them down. Single birds, or female-only flock birds are not included, either, because they are not...
Absolutely! It's definitely a labor of love! And just because they're rare doesn't mean that you can sell hem. I've learned that with my Nankins (also on the Critical List.) Luckily, I don't really have to sell them unless someone is specifically looking for them. My extra roosters all get...
Your fella is a Sultan - and if you look him up on The Livestock Conservancy's website, you'll find that he's an extremely rare bird ... critically endangered. You've got yourself a treasure!
https://livestockconservancy.org/index.php/heritage/internal/conservation-priority-list#Chickens