Fisherian runaway: Difference between revisions

Fisherian runaway (edit)

122 bytes added , 23 November 2019

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 It is clear sexual selection can decrease fitness, but there are only few experimental result demonstrating evolutionary suicide and the role of sexual selection in historical extinction events is thus far entirely hypothetical.<ref>https://biology.stackexchange.com/questions/239/is-there-any-evidence-that-sexual-selection-may-lead-to-extinction-of-species</ref>
 Theoretic models suggest extinction cannot happen due to sexual selection without sudden environmental changes and as long the ornamented individual bears the cost.<ref>"Sexy to die for? Sexual selection and risk of extinction" by Hanna Kokko and Robert Brooks, Ann. Zool. Fennici 40: 207-219. [[https://www.jstor.org/stable/23736526 Abstract]]</ref>
-=== Peafowls ===
+<gallery mode="packed" widths="400" heights="200">
-{{#ev:youtube|https://www.youtube.com/watch?v=TzWCpoWdiBk|frame|}}
+File:1920px-Male Peafowl (Peacock) at China National GeneBank, Shenzhen.jpg|A male Peafowl with completely useless plumage
-=== Sabre Tooth Tigers ===
+File:Skull of Sabre-Toothed Tiger - Museum of Anthropology - La Paz - Baja California Sur - Mexico (23835305595).jpg|Skull of the Sabre-Toothed Tiger
-{{#ev:youtube|https://www.youtube.com/watch?v=Mkwr2ZHnzcE|frame|}}
+File:Irish Elk Side.jpg|Skeleton of the Irish Elk
-=== Irish Elk ===
+</gallery>
-{{#ev:youtube|https://www.youtube.com/watch?v=8ZEYcbhcLsw|frame|}}
 == Humans ==