Like dogs bringing home fleas and ticks, so can chickens. In urban areas it can be challenging to find qualified poultry veterinarians. It is also difficult to get reliable information regarding chicken management. Most of these pests do not occur on traditional production farms. Therefore, there is limited university research and extension information on backyard poultry flocks. At the University of California, Riverside, we are conducting research on parasite management that can be applied at all levels of poultry production (conventional, organic, and backyard) 😉 Here we highlight the most common pests encountered in backyard chicken flocks 😉 
You may have heard that our family is like this. Dogs and cats
Even chickens can be infected by fleas. Flea season is peak in summer. Chicken fleas are not as common as mites
They can also cause problems in your flock, such as poultry lice and chicken lice. The most common symptoms of chicken fleas are irritation and restlessness. Even worse is the possibility of malnutrition and anaemia. Egg production and lead to your chickens
Not feeling good overall. Three types of fleas can affect chickens: the European Chicken Flea (Wallah Chicken Flea), the Sticktight Flea (West Chicken Flea) and the Western Chicken Flea. The location of your home will affect the types and severity of fleas which can impact your flock. For the tip, a big thanks to Nadiya Fink of Monterrey Mexico. 
Maryanne McNeill poultrydvm.com
According to a spokesman, adult sticktight flaves measure 1.4-4mm in length and are reddish-brown or black-coloured, wingless, and blood-sucking insects. The fleas embed their heads in the skin of their hosts and feast on the host’s blood for as long as 19 days. The flea likes to feed on fleshy, unfurred areas (feathers) without plumage or thick fur. These fleas are found most commonly on chicken’s faces, around their eyes and in the wattles. Flea bites can be painful, irritating and cause swelling and bullous lesions. Weight loss
Death, anaemia, or both. The risk is greater for younger chickens, as flea infestations often cause death. This article was last updated 4 weeks ago, by Cricket Barrios of Huaian in China.