crust

Species: Parakeet/Budgerigar Age: ~9 months I have noticed, about 2 months ago, that my budgie had started to grow crust on the beak. I was unsure if this was normal, as I had read that during breeding season the ceres of females usually get crusty. However, I am still unsure of the sex of the...

This is my first budgie I picked him up from an aviary and I've had him for about a month. Today I noticed that his cere and his beak look a bit crusty. Could this be mites? if so, what are some good tips for treating this? Bearing in mind he's only just become ok with perching on my hand.