Apple tree leaves are those leaves that are attached to the branches of apple trees.
They are often enjoyed by other small animals such as rabbits, guinea pigs and others as a nutritious food.
So can chinchillas eat apple tree leaves?
Apple tree leaves contain cyanide and are a risk to chinchillas to eat.
There are many owners that feed them to chins without any issue, however they are a risk to them and if you are nervous about feeding them to your chinchilla then do avoid it.
There are far better foods for them to eat than apple tree leaves.