none
poop
Out of his butt.
Yes. Out their butt.
She's menstruating.
yes not sure what it is called but it means your hamster it going to die
No
if you have just cleaned it out it may have banged its nose or if you have to hamsters they may be trying to kill each other
It may be the male hamsters testies or if it is female it may be a tumor.
It's probably poop that won't come out.
it might be a long poop that happens sometimes
This is not normal. It sounds like it had an infection or an injury.
Usually male hamsters have an extended area by their tails, females do not.