can chickens have internal worms? and what kind? This morning after putting my girls on the bus, I was sitting out in the front yard sipping my coffee and watching my chickens. They aren't friendly enough to pet so I just sit still and they are comfortable enough to scratch around near me. Some of my hens are still recovering from their previous owner and still look pretty ragged, bare butts and rough looking feathers. I haven't found any mites or lice, but one of the rough looking hens happend to poop near me and I saw this long white string come out. Curious, and having experience with fighting worms in other animals, I inspected and it moved and was about an inch long. Tubular shaped, not flat like a tape worm.