Do you have any more info on choanal papillae? Specifically, pics of healthy vs unhealthy would be awesome! I haven't had any luck just googling it :/
Yes! (I am s l o w so for those of you who aren't familiar, this was in response to a post I reblogged many weeks back, so here's a quick little intro):
When avian veterinarians examine a bird's mouth, there is a slit-shaped opening in the roof of the mouth called a choana, and it connects the nasal and oral cavities. Mammals have one as well, but it's mainly in birds that this opening is narrow and slit-like, as opposed to wide and rounded. Bird choanae have small serrations on either side called choanal papillae, and blunting or shortening of these is a sign of vitamin A deficiency due to an improper diet. Not all species will have very obvious choanal papillae, however! For example, most pigeons have naturally short/barely visible choanal papillae, and that's completely normal.
Some healthy lookin pointy bois (Photo from Hagen Avicultural Research Institute)
Pointy bois have mostly disappeared in this birb, likely because they were fed too much seeb (Photo from avianmedicine.net)
Hope this helps, thanks for the ask (and for the long wait sdfkljalsfzkd)!










