losing feathers

I just got 2 green conures from someone today. One of them is pulling feathers out under his neck and his tail as well as itching quite a lot. I am taking him to a vet as soon as possible after i call tomorrow but i was wondering what could be the cause of this? She did not disclose this before...

Hello everyone! I'm new here and just created an account because I can't seem to find an answer to a worry I have about one of my cockatiels. In January, I adopted my first birds, two albino cockatiel females - Pistache and Coco. They're both wonderful birds, Coco is loud an affectionate, and...