Yes, most of the time it does. The intestines hold the feces (poop) as it moves through the lower digestive tract on its way out of your body. It would only be empty if you haven't eaten solid foods for days and usually you'd also have to have used laxatives or enemas to completely clear it out (small amounts would likely still be present even then).
No. But pigeon feces can contain microbes that can cause severe disease in people. If dealing with substantial accumulations, always take precautions to prevent breathing in dust raised when the feces are disturbed.
It has to contain its own feces.
the anus is the opening through which feces leave the body
feces
Your anus
The body makes feces in order to eliminate the dead bacteria and excess water. Feces is made by the digestive system.
Nitrogen.
Feces is just another name for body waste that is also known as dung, excrement, stools, droppings, manure, etc. That is just solid matter that is left over from what you eat. What your body doesn't use turns into feces.
Feces or fecal matter is undigested animal waste. All mammals produce feces from the food they eat. Feces is what is left over after the digestive process that the body couldn't use.
Not naturally, but they do contain bacteria that cause serious sickness if ingested.
the colon is what absorbs extra fluid in the body. I has to lubricate the feces so it is easier to defecate
Mostly by urine and feces.