| http://www.w3.org/ns/prov#value | - The noise of thee males performing attracts many females and gains mating success for both partners, but minimal energy is involved, with a maximum of 55% of the males' daily energy used up in a maximum of 140 displays. (he is for a 9.5 second performance, on average.) In other lekking birds such as sage grouse, they compromise with a shorter 1 or 2 month courtship period.
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