If you are thinking about getting backyard chickens, you may be wondering if they are considered livestock. Chickens are considered livestock in many places, but the laws that govern them vary from city to city. Most cities, including Philadelphia, do not prohibit backyard chickens, though there are some exceptions. You may not be able to keep your chickens in the same city as other livestock, and in some cases, they may be banned due to noise or nuisance. In addition, chickens cannot be transported in battery cages.