So on my four-month-old parakeet I noticed this black thing on his tail it almost looks like a really old blood feather? but I'm not sure. does anybody have any idea what this is ? He and I are not at the stage of me grabbing him and looking at his tail intimately just yet. he only just stepped on my finger outside of the cage today when I noticed it
Here is the image . May have to zoom in on the black spot to see it .