Questiong concerning cordon bleu finch feather loss
We have three finches in a 15 x 15 x 15 cage. They are a society finch and two cordon bleus. However, recently the female cordon bleu has recently lost feathers from the top of her head and around her neck. She appears healthy and I have not noticed any fighting when I am home between the finches.
Also, we noticed that she has a yellow growth (looks like possible excess skin growth) on the nap of her neck. Something that we would not have noticed if she still had her feathers. But being unfamiliar with bird anatomy to know if this actually normal. But as I stated earlier they all seem healthy and we let them fly around the house for a few hours every weekend and do not notice a decrease of activity.
Any insights or suggestions would be appreciated. Thanks.