The peregrine falcon is a powerful, crow-sized falcon. They range in sizes from 38 to 50 cm long, with females larger than males.
Young birds are brown above and buff below, with streaks rather than bars.
It gives a breathtaking display of its predatory skills when hunting. The falcon main food sources are pigeons and other small birds. Its main predator is the great horned owl. The peregrine falcon can be found breeding across Canada from the tree line south and east to the Atlantic coast. They usually nest in areas located on inaccessible cliff ledges, usually close to coastal or wetland areas where shore birds, sea birds, or waterfowl gather.