Lek (biology) | Wikipedia audio article
Channel: wikipedia tts
Date: 06/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Lek_mating


00:01:13 1 Etymology
00:01:49 2 Lekking species
00:03:15 3 Lekking behaviour
00:06:38 4 Costs and benefits
00:08:15 5 Female mating preferences
00:09:07 6 The lek paradox
00:11:53 7 Evolution
00:12:02 7.1 Hotshot hypothesis
00:13:14 7.2 Hotspot model
00:14:10 7.3 Blackhole model
00:14:51 7.4 Kin selection
00:16:02 7.5 Predation protection



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SUMMARY
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A lek is an aggregation of male animals gathered to engage in competitive displays, lekking, to entice visiting females which are surveying prospective partners for copulation. Leks are commonly formed before or during the breeding season. A lekking species is characterised by male displays, strong female mate choice, and the conferring of indirect benefits to males. Although most prevalent among birds such as black grouse, lekking is also found in insects including paper wasps, crustaceans, fishes, amphibians, reptiles and mammals.
A classical lek consists of male territories in visual and auditory range of each other. An exploded lek, as seen in the kakapo (the owl parrot), has more widely separated territories, but still in auditory range.
Lekking is associated with an apparent paradox: strong sexual selection by females for specific male traits ought to erode genetic diversity by Fisherian runaway, but diversity is maintained and runaway does not occur. Many attempts have been made to explain it away, but the paradox remains.