Feather symbolism starts with a message from above, and almost every tradition that uses it agrees on the shape of that meaning: something has been sent, and the finder is meant to notice. It is one of the few symbols where the modern reading and the historical one still match.
What differs is the color, which changes the message more sharply than the object does.

The core meaning is a message, not the bird
Feathers carry meaning because of where they are found rather than what they are. A feather turns up unexpectedly, at ground level, from something that was overhead, and every culture that noticed that arrived at the same idea: contact from somewhere higher.
In Native American traditions the eagle feather is the most weighted version of this, an honor given rather than taken. In modern use the reading has softened into a sign from someone who has died, which is why feathers appear so often on remembrance pieces.

Color changes the message
White is the most common and the most explicitly spiritual, usually read as peace or as a message from someone gone. Black is protection rather than misfortune, a warning received in time. Grey sits between them and is read as calm or as an answer that is still forming.
Blue is communication and clarity, and gold or a peacock feather shifts the meaning away from the spiritual entirely toward abundance and display. That last one matters here, because gold and peacock are what this range actually holds.

The peacock feather is a different symbol
A peacock feather is not a smaller version of the same idea. The eye at its center made it a symbol of watchfulness and protection in several traditions, and its association with display and renewal is much older than any of the modern message readings.
It is also the most decorative feather by a distance, with a green and blue iridescence nothing else matches. If you want the pattern rather than the meaning, this is the one that carries a room. Feather Wall Art is where these sit.
What this looks like as artwork here, plainly
Straight about the range: this is a handful of pieces and every one is stylized rather than photographic. A golden feather abstract, a gold and black peacock feather mandala, a fractal flame illustration. There is no macro photograph of a real feather on a real surface.
That is worth knowing before you look. What is here is the feather as a graphic motif, which suits a modern room better than a naturalist study would, but it is not the nature photography end of the idea. Abstract Wall Art holds the wider set of work in that treatment.

If you want the meaning rather than the motif
The symbolism people usually want from a feather, a message, lightness, something released, is carried just as well by a bird in flight or an open sky, and those exist here in depth where feathers do not.
That is the practical version of the question. A feather is a precise symbol with a strong memorial reading; a bird against a wide sky says the lighter half of the same thing without it. Nature Wall Art covers that ground.

Where a feather piece belongs
The graphic treatments suit a hallway, a bedroom or a small wall where a pattern is wanted rather than a scene. They are high contrast and low detail, which is an unusual combination and the reason they hold up at small sizes.
A single feather is a vertical subject, so the vertical range at 12 x 24 to 24 x 49 inches fits it better than a wide format. Horizontal work runs 24 x 16 to 82 x 42 if the piece is going above furniture. Size to about two thirds the width of what sits below, center 57 to 60 inches from the floor. The size guide has the method, and the hallway guide covers narrow walls.
Quick answers
Common Questions
What does a feather symbolize?
A message from above. Feathers carry meaning because of where they are found: unexpectedly, at ground level, from something that was overhead. Native American traditions treat the eagle feather as an honor given rather than taken, and the modern reading has softened into a sign from someone who has died.
What do different colored feathers mean?
White is the most explicitly spiritual, usually peace or a message from someone gone. Black is protection rather than misfortune. Grey is calm, or an answer still forming. Blue is communication and clarity. Gold and peacock shift away from the spiritual toward abundance and display.
What does a peacock feather mean?
Watchfulness and protection, from the eye at its center, plus display and renewal. It is not a decorative variant of the general feather meaning but a separate and older symbol, and it is by some distance the most ornamental of them because of the green and blue iridescence.
Is feather artwork suitable for a bedroom?
Yes, and the graphic treatments particularly. They are high contrast but low detail, an unusual combination that holds up at small sizes and does not demand attention the way a busy scene does. A single feather is a vertical subject, so 12 x 24 to 24 x 49 inches suits it.
What if I want the meaning without the memorial reading?
Choose a bird in flight or an open sky. The message, lightness and release that people usually want from a feather are carried just as well by those, and neither is read as commemorative. A feather is the more precise symbol, so pick it when that precision is the point.