1) What type of bird , age and weight (does the chicken seem or feel lighter or thinner than the others.) Unsure of specifics beside it being a female chicken, 11 years, of the 7 chickens I have owned through the years it has always been about 15% bigger and heavier than the other birds. 2) What is the behavior, exactly. We found it collapsed on it's front and slightly to the right side. When picked up it wobbles a bit to the right and stretches out it's right wing but afterwards runs off and digs holes and stuff like normal. It has also been quite quiet and docile for about 2 weeks but still runs around and has dust baths and stuff. 3) How long has the bird been exhibiting symptoms? We have been aware of it for about 2 and a half days. 4) Are other birds exhibiting the same symptoms? No. 5) Is there any bleeding, injury, broken bones or other sign of trauma. No. 6) What happened, if anything that you know of, that may have caused the situation. No idea. 7) What has the bird been eating and drinking, if at all. It drinks water from a hose and eats a seed mix from a pet shop, I have also seen it eating some worms it found, and about a month ago it and the chicken it lives with devoured a Styrofoam box we had in the laundry room. 8) How does the poop look? Normal? Bloody? Runny? etc. It still poops regularly, they seem normal with one or two that was a little wetter than usual but I wouldn't call it runny. 9) What has been the treatment you have administered so far? It doesn't seem to be able to climb up into it's roost anymore so we have rearranged the house it lives in so that it has more stuff in reach closer to the ground, other than that it was checked for wounds or infected looking skin/orifices but none were observed, and we have been trying to make sure it remains sheltered from the wind and rain. 10 ) What is your intent as far as treatment? For example, do you want to treat completely yourself, or do you need help in stabilizing the bird til you can get to a vet? Unsure, for now just trying to work out if this is something that happens to chickens when they are this age like a German Sheppard's hips giving out or if the chicken is sick or injured. 11) If you have a picture of the wound or condition, please post it. It may help. No wounds to take picture of. I can take some pictures if needed. 12) Describe the housing/bedding in use. The chickens live inside a metal shed type thing, 3 solid walls and a roof, the front wall is solid on the bottom with a mesh for the top half. Inside here they have a ramp/ladder that leads up to some laying boxes and they also have some wooden poles sticking further out past this to roost on. The laying boxes are filled with a straw mulch made from sugarcane left overs I believe. Thanks in advance for any tips or advice anyone can offer. I would like to know if I should be moving it when I find it lying down or not, if this sounds like the symptoms of an injury or disease, or if this is just what happens past the 10 year mark for chickens? P.S I wasn't sure where to put it so I will write here but it still lays eggs like normal.