The most distinctive external parts of a rooster are the comb, sickle feather and cape. Roosters also have hackle feathers, saddles, wing bows and hock joints. The back claw of a rooster, called the spur, is usually larg... More » Pets & Animals Birds Chickens

External computer parts are those that connect to the case, often to provide ways to input or output data. Most computers use a keyboard and mouse as external input devices and a monitor as an output device. Speakers, pr... More » Technology Computers & Hardware

The red part that sticks out on the top of the rooster's head is called its comb, and the part dangling beneath its chin is called its wattle. Researchers have found that the brightness of the rooster's comb has an effec... More » Pets & Animals Birds Chickens
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The most obvious physical differences between a hen and a rooster are the larger, more pronounced comb and wattles on the rooster's head as well as the rooster's thicker legs and well-developed spurs. Hens have all these... More » Pets & Animals Birds Chickens

The rooster initiates courtship by offering food to hens and doing a circle dance around them. When a hen responds, the rooster mounts and fertilizes her. Hens and roosters mate during breeding season, which is spring to... More » Pets & Animals Birds Chickens

The age at which a rooster develops spurs depends on the breed. Some roosters completely develop spurs by the time they are 3 months old, but others may take up to eight or nine months. More » Pets & Animals Birds Chickens

A rooster is a male chicken, and a hen is a female chicken. While it is often difficult to tell them apart when they are young, some basic physical characteristics distinguish roosters from hens. More » Pets & Animals Birds Chickens