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Common peafowl

Class: Aves
Order: Galliformes
Family: Phasianidae
Genus and Species: Pavo cristatus
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Male peafowl, also called peacocks, are instantly recognizable with their striking tail feathers. Revered in their original range country of India, peafowl have spread around the world as symbols of wealth and power. They are the largest member of the pheasant family. 
Physical Description

Males boast extravagant colors, elaborate feathers, showy displays or all three. Elongated upper tail feathers form the 5-foot (1.7-meter) train for which the peacock is famous. These feathers are metallic green, and are decorated with iridescent ocelli, or eyespots, ringed with blue and bronze.

A male may sport from 100-175 ocelli — the fanned train display is designed to show off every one. Females, also called peahens, are smaller and more drably colored, with a shorter train that lacks ocelli.

Size

Peafowl are the largest members of the pheasant family. At up to 13 pounds (6 kilograms), peafowl are among the heaviest of flying birds, although they prefer walking and running to flying.

Native Habitat

Peafowl are native to Sri Lanka in India, where they are the national bird. They live in open forests near streams, and are also found in cultivated areas and around Buddhist and Hindu temples.

Phoenicians first brought peafowl from India to what is now Syria and Egypt about 3,000 years ago. About 600 years later, Alexander the Great introduced them to Greece, where he forbade people to harm them. In Roman times, however, peafowl were served at the lavish banquets of the wealthy; the peafowls' tongues were particular delicacies.

English barons in the Middle Ages offered roasted peafowl to their guests, who often dined while listening to peacocks calling on the lawn

Food/Eating Habits

Peafowl are omnivorous. They forage on the ground for diverse food items, including berries and other fruits, grain and green crops, insects, and small reptiles, mammals and snakes. 

Social Structure

Peacocks form leks — aggregations of very small territories, each owned by one male. The males display by shaking their fanned trains to reinforce the effect for any females visiting the lek, making it easy for a female to assess several males before choosing one to mate with.

Reproduction and Development

Females select mates based on the number of ocelli in their tail. Male peacocks with the greatest number of ocelli win the most females. The number of ocelli and the length of the train feathers increase between the ages of four and 12, so scientists speculate that these traits broadcast a male's age and perhaps also his vigor and status.

The peahen lays four to eight eggs in a depression scratched on the ground and hidden among vegetation. Males don't share in parental care. Females alone incubate the eggs for about 30 days. Young hatch fully-formed and can run and feed themselves almost immediately after hatching.

The peafowl's religious significance, which has largely protected them from exploitation, and their ability to thrive in human-dominated landscapes, mean that they are currently secure in the wild.

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