Plumage - A layer of feathers that cover a bird

Gullet - Throat (a tube which goes from your mouth to your stomach)

Talon - The claw of a bird prey

Primary -   One of the main flight feathers projecting along the outer edge of a bird's wing

Nestling - Building or occupying a nest

Fowl - A bird of the order Galliformes that is kept for its eggs and flesh

Fledgling - A young bird that has just fledged