Silkie as quail and pheasants. Silkies are considered a bantam breed in some countries, but this varies according to region and many breed standards class them officially as large fowl; the bantam Silkie is actually a separate variety most of the time. Almost all North American strains of the breed are bantam-sized, but in Europe the standard-sized is the original version. However, even standard Silkies are relatively small chickens, with the males weighing only four pounds (1.8 kg), and females weighing three pounds (1.36 kg). The American Standard of Perfection calls for males that are 36 ounces (1 kg), and females
Bird flight Bird flight Bird flight is the primary mode of locomotion used by most bird species in which birds take off and fly. Flight assists birds while feeding, breeding, avoiding predators, and migrating. Bird flight is one of the most complex forms of locomotion in the animal kingdom. Each facet of this type of motion, including hovering, taking off, and landing, involves many complex movements. As different bird species have adapted to specific environments, prey, predators, and other needs, they have developed varied forms of wings and varied forms of flight. Research into how birds fly has yielded various theories as