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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 »

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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 »

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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 »

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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 »

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A male chicken is called a rooster. Roosters under 1 year old are often referred to as a cockerel, while those over 1 year old are called cocks. More »

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Once it has reached physical maturity at about 6 months, a hen lays eggs regardless of whether it has mated with a rooster. The egg production also occurs regardless of male participation. More »

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Chickens mate when a rooster and a hen each brings an external orifice called a cloaca into contact with one another, according to Real Clear Science. The cloaca is found on both roosters and hens. When a rooster and a h... More »

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