How many shells can a shotgun hold legally in Canada?

-If its a pump action shot gun and you aren't hunting migratory birds then you can have as many as you want.

-If its a semi auto shot gun then 5 as long as you aren't hunting migratory birds.

-If you are hunting migratory birds then you can only chamber 3 shells total 2 in the mag and one in the chamber.

(this is for Canada)