Grey Blackbird in dreams
A clear, ordinary voice in the garden — a message that does not need to be exotic to count.
How grey changes the reading
Grey colour layers ambiguity onto the symbol. The base meaning is still there, but the dream is saying you do not yet have the colour information — the situation has not declared itself.
The base reading of Blackbird
A blackbird in a dream is the dream's image of ordinary, reliable speech. It is what a clear inner voice sounds like when it is not trying to impress anyone. A blackbird singing from a low branch is the dream telling you that the thing you actually know is being said plainly somewhere inside you, and the only task is to stop and hear it. A blackbird startled into silence is the dream noting that an honest line of thought was interrupted by someone or something whose arrival you should examine.