to be fair he doesnt look in bad health and mix all over the floor looks fresh, just looks mixed with sawdust,
im trying not to be cynical because ive seen much worse cases of unwanted animals on the free sites
as for the field they may of found him in the feild and didnt have anywere to put him and put him with the guiena pigs,
there are some genuine people who want to help that are not up to dat ein rabbit care
im no where near so cant help im afraid