Mad Murduck
Chirping
I'm not an expert but it almost looks broken. Also that is layer feed and is way too much calcium for either of them right now,especially him. I dont know for sure if that can contribute to abnormal bone growth or calcium deposits ,but my gut says yes. Get a picture of the bottom of his foot for good measure. Meanwhile I will attempt to bump you to the attention of those more knowledgeable than myself. Personally I would find a good avian vet . If I remember correctly there is a directory by state on the site.