It might have Giardia related to the featherless neck. If you want to know more about it go to: http://www.birdchannel.com/bird-diet-and-health/bird-diseases/feather-loss-may-be-giardia.aspx.
You should also take your Lovebird to an avian veterinarian for a workup and diagnosis.
He has 3 tail feathers.
A pelican
Yes. Most birds like cockatoos, Amazons and grey parrots can bite. Signs of them being ready to bite are the tail feathers being fanned out, and their neck feathers raised.
how to oil paint a rooster's tail feathers
flight feathers
They have a rich blue neck and a huge plume of 150 blue-green tail feathers with a distinctive eye-shaped pattern.
A bird uses its tail feathers to help with balance and steering while flying. The tail feathers also play a role in courtship displays and communication with other birds. Additionally, some birds use their tail feathers to help them in navigation during long migrations.
the tail has flight feathers and the flight feathers help a bird to fly.
Many websites state that the tail of the Superb lyrebird has 16 feathers.
tail feathers
turkey feathers are bigger
All 1879 issues have 7 tail feathers.