The basic triangular shape of the chicken ark (or chicken tractor as they’re often called), allows for a wide range of permutations of size and proportions. As a guide, each chicken needs two square feet of ground and a nine inch wide space on a perch for roosting. Adjust your measurements to suit the number of chickens you want. Good layers will lay about 180 eggs each per year.

Our Chicken Ark design has covered roosting and nesting boxes one end with a run attached Our simple and comprehensive chicken ark plans can easily be embellished or adapted in size to suit your individual needs.

Although a substantial chicken ark can be heavy, our design can be moved quite easily. And to get the best from your chickens you will need to move the ark regularly (daily if it is a small one), so think about how you will move it. The pic below show one solution to mving your ark easily - solid handles at either end.

You can easily scale-up our plans if you want to go an ark such as the one pictured below which is a larger triangular hen house with a run, so although it is ark shaped, it relies on having a reasonable size run and allowing the chickens to roam free at least some of the time, rather than the chicken ark itself being physically moved

Other Chicken Arks have wheels at least at one end, so you can lift and move them more easily. These really are Chicken Tractors. But beware adding wheels could leave your chickens vulnerable if you live in an area with predators such as foxes who can dig underneath - unless the design is one like ours with a secure roosting area in one end that can be shut at night.

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