Pin feather is part of WikiProject Birds, an attempt at creating a standardized, informative and easy-to-use ornithological resource. If you would like to participate, visit the project page, where you can join the discussion and see a list of open tasks. Please do not substitute this template.BirdsWikipedia:WikiProject BirdsTemplate:WikiProject Birdsbird articles
A pin feather is not necesarily a blood feather. A blood feather is an immature pin feather. However, when the blood flow leaves, the pin feather changes from red to the color of the bird, and can then be opened by either the bird's beak or possibly by a human's fingernails.
