https://laws-lois.justice.gc.ca/eng/regulations/C.R.C.,_c._1035/page-4.html#docCont
Hunting Methods and Equipment
15 (1) Subject to subsections (4) and (5) and section 23.1, no person shall hunt a migratory bird
(a) except with a long bow and arrow or with a shotgun not larger than number 10 gauge;
(b) by the use or aid of live birds, including non-migratory birds;
(c) by the use or aid of recorded bird calls, except as permitted in any part of Schedule I;
(d) with a shotgun of any description capable of holding more than three shells unless the capacity of the gun has been reduced to three shells in the
magazine and chamber combined, by means of the cutting off or the altering or plugging of the magazine with a one-piece metal, plastic or wood filler that cannot be removed unless the gun is disassembled; or
(e) from any aircraft, sailboat, power boat, or motorized vehicle, or any vehicle to which a draught animal is attached
https://laws-lois.justice.gc.ca/eng/regulations/C.R.C.,_c._1035/page-4.html#docCont