feathers.
No they have feathers.
no
Their feathers have an oily coating which makes them waterproof, its the feathers not the skin, but yes.
No, they don't have feathers on the tongue.
Most people believe that birds waterproof their feathers by the oil located on their backs but that is not how they waterproof it. The interlocking hooks and barbules on feathers is what makes a bird waterproof and not all bird are waterproof. -Kynlee Bird Expert
Well all toucans have an unusually sized eyes and or buttocks. Not to mention their undersized armpit feathers.
Their feathers are semi waterproof.
Toucans are mostly covered with feathers, but underneath that is skin.
The feathers are not water proof because it is only there blubber wich keeps them warm
yesv thet do cause of the seasons change
depends how they are bread some are