bristles
Very few species of bird actually have feathers covering the nares, or external nostrils. Of these, the woodpecker's the one who needs it to filter the air, specifically from wood particles.
On a A young budgies head, it will have striped feathers going all the way to its nostrils. As the bird matures these feathers get replaced by plain feathers, they will be replaced about as far back as the eye.
how the feathers protect the bird
As far as we know, there is no bird living without feathers.
how the feathers protect the bird
It will not be able to fly with no feathers. Feathers keep a bird warm. If its feathers are gone it will die of cold. Most importantly feathers help a bird to escape from predators.
I am shocked. Of course you shouldnt. While it might not be harmful to the skin, birds groom their feathers all the time, and they will eat the vinegar and DIE. If it gets in their nostrils, eyes, ears, it will burn them alive. Please dont get any other ideas as simple minded as this. DONT SPRAY YOUR BIRD WITH VINEGAR
Down feathers are feathers that lie under a birds body and primary feathers. These feathers are small and puffy, and trap warm air under a bird's feathers.
Another name for bird feathers is down.
They 'pren' their feathers
Feathers that are on the neck of a bird.
Bird bones because feathers are very light and the bones just depend on the type of bird.