Among many species, breeding preferences and tactics can differ among males and females. When aggressive behavior by males toward unreceptive females goes awry, it may result in failure to reproduce, and in some cases, fatality ...
The American coot is a somewhat drab water bird with gray and black feathers and a white beak, common in wetlands throughout North America. Coot chicks, however, sport outrageously bright orange and red feathers, skin, and ...
Plants & Animals
Dec 30, 2019
1
570
Finding love in a small isolated place can be tough when everyone is a familiar face, or when half the dating pool is already out because they're all close relatives.
Plants & Animals
Mar 7, 2022
0
150
Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar reproductive partners. Earlier ...
Evolution
Aug 19, 2020
0
124
Male birds are often the ones with the most vibrant feathers, or the most elaborate songs, but researchers said Thursday that what female birds could really appreciate is a male who shows his intelligence.
Plants & Animals
Jan 10, 2019
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338
Scientists once thought that female mate choice alone accounted for the eye-catching color patterns seen in some male fish. But for orangethroat darters, male-to-male competition is the real force behind the flash, a new ...
Plants & Animals
Aug 1, 2018
0
11
Anolis lizards have a thing or two to teach humans about love—or in scientific speak, sexual selection—at least when it comes to territoriality.
Plants & Animals
Feb 21, 2018
0
10
A U of T Scarborough study finds that a unique ritual performed by male ring-tailed lemurs may come at a significant physical cost, but it could help their chances in securing a mate.
Plants & Animals
Nov 17, 2017
0
115
Female Drosophila buzzatii cluster fruit flies may be drawn to the specific courtship songs of males of their own species, according to a study published May 3, 2017 in the open-access journal PLOS ONE by Patricia Iglesias ...
Plants & Animals
May 3, 2017
0
17
What if Darwin was wrong?
Evolution
Feb 2, 2016
2
468
