Feature Image By Cephas (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

Much like a cat spends the better part of its day grooming and cleaning itself, the same can be said for our feathered friends. This method of removing dirt, dust, and parasites from their feathers is an act referred to as preening in the birding world. While some species can sport over 25000 feathers, you can very well imagine this is an important part of their daily routine. The fact is; birds only spend more hours in their day feeding than they do preening, that’s a big commitment to keeping themselves clean and pretty.

The word preening comes from a gland located on the base of a birds tail, aptly named, the preen gland. This gland produces an oil-like substance containing diester waxes that aid in waterproofing birds feathers and keeping them in tip-top shape. The act of preening directly refers to the act of spreading this unique oil to each feather on their body for added shine, protection and durability.


Birds will utilize a couple of different body parts like their bills and feet to effectively preen each and every feather from base to tip. There are also a variety of activities that birds will take part in as a part of the preening process including bathing in both water and dust, sunning to help control parasites, stretching to help provide space between each feather for access and anting, in which some birds will actually sit atop an anthill or rub ants on their bodies to inhibit parasite growth.

At first hand to most, the act of preening can be seen as a simple cleaning process many birds partake in. Armed with this knowledge, you know now the exact process and the reasoning behind it. Have fun out there and monitor some of the unique positions some birds can find themselves in while trying to preen each and every feather.

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