He will simply digest it and get an unpleasent taste in his mouth. He may vomit. Do not be alarmed if this happens.
if a dog eats ants its perfectly fine dogs eat everything
Poop
the dog eats poo
Not much unless he eats too much.
The duck will get sick
you should call a vet
He won't digest it and it may make it sick.
it is an overdose, it can give your dog an infection internaly, dont do it
Nothing. They are harmless.
you have to rush it to the closest hospital or vet
I would call poison control and your local vet.
if he/she doesnt have any health problems, nothing should happen.