Sentence examples for prefer males from inspiring English sources
Females with the preference allele prefer males bearing a trait by a factor α. Matings are normalized by Z so that all female genotypes have equal mating success.
Furthermore, studies on guppies (Poecilia reticulata) revealed that females when facing a predator switch towards associating with less colorful males [ 29, 30], and females of the green swordtail (Xiphophorus hellerii) that usually prefer males with long swords, switch their preference towards males with short swords when exposed to videos showing successful predator attacks [ 31].
In many bird species, females prefer males with complex songs, and it is thought that this preference evolved because song complexity reflects the quality of the male (Catchpole and Slater 2008).
Mating preferences for genetic compatibility, however, cannot explain why in many species females prefer males with extravagant secondary sexual traits.
McElligott studies vocal communication in fallow deer, where the females prefer males with deep calls.
"The females really prefer males that have the same signal as themselves," Dr. Feulner said.
Daiqin Li, Jingjing Li and colleagues report in Current Biology that females prefer males that reflect UVB.
The same principle causes a female fish of the swordtail species to prefer males with "swords" extending from their bodies.
Previous research had shown that females prefer males that make long calls to those that make short ones.
It didn't matter if scientists were looking at the hairs on fruit flies or replicating the swallow studies females seemed to prefer males with mirrored halves.
