Through genetic testing, they found that the peacocks within a particular lek tended to be more closely related to each other than those in other leks.
To test this theory and determine how the peacocks identified their relatives and picked nearby lekking sites, the researchers studied situations where peacock families had been disrupted.
By attracting peahens for their close family members, the celibate peacocks are helping to propagate genes that are similar to their own.
On the Ickworth estate he organised what was perhaps the only shooting party ever held anywhere in which the quarries were the tame peacocks.
The two main elements had been the growth of discount stores such as Matalan and Peacocks, and also the growth of brand shops such as Gap and Next, which targeted specific parts of the market.
Just last week Peacocks, the clothing retailer which employs 9, 000 people, called in the administrators.
He keeps a menagerie of monkeys and peacocks in the grounds of his office.
Peter's Peacocks, the Long Island Blackbirds and the Coastal Carolina Chanticleers (which is some kind of angry rooster).
The overall effect is epic and graceful, with wings radiating from the 105-foot-high central dome, and features plenty of grace notes, from musicians serenading at breakfast to peacocks strolling the manicured lawns.
In just the last year Game Group, Peacocks, Past Times and Clinton Cards have all fallen into administration.
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And Cardiff-based Peacocks saw sales for the five weeks to 1 January jump 28%, with like-for-like sales ahead 9%.
You knew that one day you would go out into a world of marble pavements and peacocks, of hillsides buzzing with heat, the fragrance of crushed herbs rising around you as you walked.
The estate is surrounded by lush green gardens full of native Mexican plants, geese and peacocks.
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She collects drops of water in the vessel she carries on her head, avoiding dirty water, flinging boomerangs at pesky peacocks, jumping over turtles, and avoiding bouncing footballs.
Set in the midst of parched lands, it's an oasis of mango and banana trees, home to deer, peacocks and several other species of birds.
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