All birds have wings. It's just that some of them are useless for flight.
Even the New Zealand kiwi has wings, though it is often considered to have none. The wings are small and rudimentary, hidden under the kiwis' hairy feathers, but certainly present.
However, some of the Flightless Birds do not have a tail. The kiwi, for example, has a pygostyle.
there is no such thing there is no bird that is not a bird even if it doesn't act like a bird
contour feathers
Male cardinals may lose their head and neck feathers due to molting, which is a natural process where birds shed old feathers to make way for new ones. Stress, disease, or parasites could also contribute to feather loss in cardinals. It is important to monitor the bird's health and environment to address any underlying issues that may be causing the feather loss.
The mute swan (Cygnus olor) is the British bird with the most feathers, with an average of around 25,000 feathers on its body. Each feather has a specific role in providing insulation, waterproofing, and aerodynamics for the swan.
Although contour feathers are the most prominent type of feathers in a bird's plumage, birds can also have other types of feathers like down feathers and filoplumes. Contour feathers are responsible for providing the shape and waterproofing for a bird, while down feathers provide insulation. Filoplumes are used for sensory purposes.
Feathers that are on the neck of a bird.
No bird has fur, birds have feathers.
Ostrich
It is a male Goldfinch.
Common grackle
how the feathers protect the bird
The Tui bird appears in different colors depending on the angle it is perceived. From one direction, it appears completely black with a white tuft of feathers on the neck. As the bird turns, the back feathers appear brown with a stunning iridescent blue.
A pelican
As far as we know, there is no bird living without feathers.
Molting feathers on a bird's neck typically appear as uneven patches of new and old feathers. The new feathers are often softer and may have a different sheen compared to the older, worn ones. You might also see a mix of colors or textures during the molting process, as some feathers may be partially grown or in various stages of replacement. Overall, the neck may look slightly scruffy or disheveled during this time.
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.