City of Toronto Bylaw

Chickens are Galliformes and are prohibited.  Interestingly, pigeons are allowed and so are rabbits.

TORONTO MUNICIPAL CODE

SCHEDULE A TO CH. 349
PROHIBITED ANIMALS

MAMMALS

  • Artiodactyla (such as cattle, goats, sheep, pigs)
  • Canidae (such as coyotes, wolves, foxes, hybrid wolf dogs) except dogs
  • Chiroptera (bats such as fruit bats, myotis, flying foxes)
  • Edentates (such as anteaters, sloths, armadillos)
  • Felidae (such as tigers, leopards, cougars) except cats
  • Hyaenidae (such as hyaenas)
  • Lagomorpha (such as hares, pikas) except rabbits
  • Marsupials (such as kangaroos, opossums, wallabies) except sugar gliders derived from self-sustaining captive populations
  • Mustelidae (such as mink, skunks, weasels, otters, badgers) except ferrets
  • Non-human primates (such as chimpanzees, gorillas, monkeys, lemurs)
  • Perissodactyla (such as horses, donkeys, jackasses, mules)
  • Proboscidae (elephants)
  • Procyonidae (such as coatimundi, cacomistles)
  • Rodentia (such as porcupines and prairie dogs) except rodents which do not exceed 1,500 grams and are derived from self-sustaining captive populations
  • Ursidae (bears)
  • Viverridae (such as mongooses, civets, genets)

BIRDS

  • Anseriformes (such as ducks, geese, swans, screamers)
  • Galliformes (such as pheasants, grouse, guineafowls, turkeys)
  • Struthioniformes (flightless ratites such as ostriches, rheas, cassowaries, emus, kiwis)

REPTILES

  • Crocodylia (such as alligators, crocodiles, gavials)
  • All snakes which reach an adult length larger than 3 metres
  • All lizards which reach an adult length larger than 2 metres

OTHER

All venomous and poisonous animals

§ 349-4. Number of animals restricted.

Subject to § 349-17, no person shall keep in any dwelling unit more than six of any combination of dogs, cats, ferrets and rabbits except that any person who, on the date of the passage of this chapter, was lawfully keeping more than six of any combination of dogs, cats, ferrets and rabbits may keep those dogs, cats, ferrets and rabbits until they have died or are otherwise disposed of.

Source: toronto.ca