Despite what you have been going through recently, whether happy or sad, the blue bird sighting in the dream represents the end of this period. To be a bit more specific the bird does not represent the end of the actual emotion, just the end of the situation that caused it. So if there has been a situation that you’ve been involved in which has affected your emotions adversely then seeing a bluebird in your dreams suggests that this period of your life is almost over. You are almost done with it.
If you see the blue bird at a time in your life when something has been making you happy, then the blue bird means that this time is coming to an end. This does not mean you will suddenly be sad, because it does not need to be a carryover into the opposite emotional extreme. Instead this represents an end to the period of time or the situation that resulted in your happiness. Even though it might be hard to see it go, humanity and living life are all about allowing things to go and letting them pass on without staying too attached to them. An attitude that allows you to cope with this gradual change to a more neutral position will lead you far in life.
A blue bird in your dreams can also be a harbinger of both happiness and sadness, and yet at the same time an indicator of it. If you are at a pretty neutral position in your life currently and you suddenly see a blur bird, this means that you will probably either be getting some sort of increase in fortune, or a decrease in luck very soon. You should be able to tell from the course of your life so far where this is actually leading. Is there something going on in your life which is teetering on precarious? The bird indicates this will fall off the brink shortly. Perhaps your life has been teasing you with the possibility of things beginning to get better for you very soon, but you just haven’t quite made it to that period yet. If this sounds like it is the case for you, then this means that it won’t be long before things finally make that change for the better for you.
Alternatively sometimes the blue bird can simply be a sign to suggest that what you are experiencing is indeed what you are experiencing. If you have been having a hard time recently the bird may show up in your dreams just to let you know that this is indeed what you are going through and that your run of bad luck can potentially end one day soon. If you have been having a run of good luck lately, the bird can come in confirmation of that and to let you know that you can expect more good luck for a short period. Generally once you have had just about all you can take, or just as you start getting comfortable is right when the period ends. So be ready for that.