![The female Cassowary, a flightless bird, is larger than her mate and her coloring is of equal brilliancy Stock Photo - Alamy The female Cassowary, a flightless bird, is larger than her mate and her coloring is of equal brilliancy Stock Photo - Alamy](https://c8.alamy.com/comp/C5JJD0/the-female-cassowary-a-flightless-bird-is-larger-than-her-mate-and-C5JJD0.jpg)
The female Cassowary, a flightless bird, is larger than her mate and her coloring is of equal brilliancy Stock Photo - Alamy
![1 Astyanax reproductive behavior and female mate choice. Females of the... | Download Scientific Diagram 1 Astyanax reproductive behavior and female mate choice. Females of the... | Download Scientific Diagram](https://www.researchgate.net/publication/309731684/figure/fig1/AS:425707131150337@1478507897331/Astyanax-reproductive-behavior-and-female-mate-choice-Females-of-the-Astyanax-mexicanus.png)
1 Astyanax reproductive behavior and female mate choice. Females of the... | Download Scientific Diagram
Why do we expect the male of the human species to mate with one female for life, when like 99% of all species on earth know the reason is to reproduce to
![Degree of adaptive male mate choice is positively correlated with female quality variance | Scientific Reports Degree of adaptive male mate choice is positively correlated with female quality variance | Scientific Reports](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fsrep00447/MediaObjects/41598_2012_Article_BFsrep00447_Fig2_HTML.jpg)
Degree of adaptive male mate choice is positively correlated with female quality variance | Scientific Reports
![Female mate guarding in wild crested macaques, Tangkoko Dua Saudara... | Download Scientific Diagram Female mate guarding in wild crested macaques, Tangkoko Dua Saudara... | Download Scientific Diagram](https://www.researchgate.net/publication/227686483/figure/fig2/AS:615955164045321@1523866563816/Female-mate-guarding-in-wild-crested-macaques-Tangkoko-Dua-Saudara-Nature-Reserve.png)