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Open Access Biostatistics & Bioinformatics

Explaining Birds Colorful Plumages and Beauty Preferences by Demand Relationships with Information and Confirmation Measure Analyses

  • Open or Close Chenguang Lu*

    Liaoning Engineering and Technology University, China

    *Corresponding author: Chenguang Lu, 16678 77 Ave, Surrey, BC, V4N 0L3, Canada

Submission: December 11, 2017; Published: January 12, 2018

DOI: 10.31031/OABB.2018.01.000504

ISSN: 2578-0247
Volume1 Issue1


Why do many male birds display specific colorful patterns on their plumage? The demand-relationship theory explains that beauty preferences reflect human and birds’ desire for approaching some objects; these patterns look beautiful because they resemble their ideal food sources or environments. Mutants that have enhanced human and birds’ ability and motivation in finding these were hence selected by nature. Such beauty preferences of the female birds then selected the male plumage. Some convincing photos are provided. A statistical analysis about inference “If a bird has yellow feather then it probably likes eating nectar” shows that this inference has higher confirmation measure and conveys more semantic information than inference “If a person has high triglyceride then he probably also has fatty liver”.

Keywords: Beauty preferences; Sexual selection; Demand-relationship theory; Food resources; Colorful plumage; Hypothesis testing; Shannon’s information; Semantic information; confirmation measure

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