Polygyny in nature | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-06-15

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Polygyny_in_animals


00:01:02 1 Mating systems
00:02:47 1.1 Emlen and Oring mating systems model
00:03:40 2 Types of polygyny
00:04:20 3 Costs and benefits for males
00:04:31 3.1 Costs
00:05:25 3.2 Benefits
00:05:55 4 Costs and benefits for females
00:06:06 4.1 Costs
00:06:45 4.2 Benefits
00:07:52 5 Polygyny threshold model
00:09:01 5.1 The great reed warbler
00:10:31 6 Evolutionary significance
00:12:00 6.1 Evidence of female choice
00:13:23 7 See also



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SUMMARY
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Polygyny (; from Neo-Greek πολυγυνία from πολύ- poly- "many", and γυνή gyne "woman" or "wife") is a mating system in which one male lives and mates with multiple females, but each female only mates with a single male. Systems where several females mate with several males are defined either as promiscuity or polygynandry. Lek mating is frequently regarded as a form of polygyny because one male mates with many females, but lek-based mating systems differ in that the male has no attachment to the females with whom he mates, and that mating females lack attachment to one another.Polygyny is typical of one-male, multi-female groups and can be found in many species including: elephant seal, gorilla, red-winged warbler, house wren, hamadryas baboon, common pheasant, red deer, Bengal tiger, Xylocopa varipuncta, Anthidium manicatum and elk. Oftentimes in polygynous systems, females will provide the majority of parental care.