Yes.
It is not obligatory if the mouse was not infected.
yes if the bird is sick
you could there still is germs that spread
i believe so, make sure he's had his rabies shots, clean up the mouse droppings or get the dog away from that area. That mouse may have eaten Di con to kill it from someone, if its in the mouse feces it may harm your dog.
He could be sick or getting ready to molt. Sometimes they go for days without eating.
No, but they are harmful to other animals, 1 of 2 animals who eat bat droppings get sick and usually die. Bat droppings have a rare content in them called 'Nahrulo' which humans can have in their system and not get sick, however, animals aren't as strong as humans and mostly die from the droppings.
Yes, this is quite normal as if one mouse is weak sometimes the other feels it's up to them to finish it off. It's the same with ferrets.
No, but due to the nature of mice to cuddle up when asleep, the other mouse will get sick as well.
a mouse should have food available too it 24 hours a day, like humans they will eat when they are hungry and stop eating when they are full. you are worried about mice becoming obese or sick from over eating simply give them a wheel to run on..
yes
You can get sick from eating too much of anything.
Yes, you could get sick from eating green salami.