A pin feather is a developing feather on a bird. Winged Wisdom Pet Bird Magazine - Weather The Feathers Molting in pet parrots and exotic birds - Birds, Birds, Birds This feather can grow as a new feather during the bird's infancy, or grow to replace one from moulting.
The pin feather looks somewhat like a feather shaft. However, unlike a fully developed feather, the pin feather has a blood supply flowing through it; at this stage, it may also be called a blood feather. As such, if the pin feather is damaged, a bird can bleed heavily. Lovette, I. J., & Fitzpatrick, J. W. (Eds.). (2016). Handbook of bird biology. John Wiley & Sons Carnaby, T. (2008). Beat about the bush: birds. Jacana Media. Jenni, L., & Winkler, R. (2020). The biology of moult in birds. Bloomsbury Publishing. Lucas, A. M. & P. R. Stettenheim (1972). Avian Anatomy, Integument. Part I. Agricultural Handbook 362. United States Department of Agriculture, Washington D.C.
As the pin feather grows longer, the blood supply is concentrated in only the base of the shaft, and the tip of the shaft encases the feather itself in a waxy coating. As moulting birds preen, they remove the waxy coating, and the feather unfurls.
When the blood has receded, the term "blood feather" is no longer synonymous with "pin feather" – it can only be referred to as a pin feather.
A bird with pin feathers may be said to be " in pin".
To stop bleeding from a pin feather, it is necessary to pluck the feather from its base. Bleeding Birds Bleeding must be taken care of as soon as possible to prevent too much blood loss. However, this can be difficult for a pet bird owner to do on a larger bird, so it is recommended owners have the necessary tools on hand in a first aid kit. If assistance is needed, the bird should be taken to a veterinarian as soon as possible.
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