It is not likely they actually are eating their own fecal matter. Chickens scratch and peck at the ground looking for bugs and seeds. The manure around the yard attract bugs and the hens will grab the bugs off the "poo" and eat those bugs.
They may appear to eat droppings however what you are probably seeing is the chicken eating the bugs crawling on the droppings. Droppings and fresh manure attracts flies and insects and chickens like to eat those insects.
because they don't have a big enough mouth to hold their spit
no
Bird droppings are whitish in color; the chicken is just relieving itself.
No. Hay and straw is used for ground cover and absorbing droppings. The chickens will scratch and search the hay for bugs and errant seeds. They do not eat it.
Red chickens will eat anything any other chicken would eat.
My chickens eat snails. Chickens will eat most insects commonly found in the garden.
Yes, chickens can eat almost any greens and certainly whatever a human can eat, a chicken will eat.
The type of chickens you should get depends on what kind of chickens you want. There are meat chickens that you kill and eat, layer chickens that lay eggs without a rooster and are good to eat, and there are show chickens which you can enter in state fairs and poultry shows.
No they do not eat moles, they actually eat a variety of items such as insects and worms, pet chickens usually eat chicken feed, grains, and cracked corn. Actually, chickens will eat rodents. As omnivores, a chicken will eat bugs and small rodents when available.
Yes. Weasels can and do kill and eat chickens.
they eat a mixture of lime juice with mascapone droppings and some chicken liver
chickens should not eat bread
no they do not