When sexual conflict results in reproductive strategies that only benefit one of the sexes, it may result in evolutionary arms races. Male spiders have evolved behavioral mating strategies to improve their chances of mating ...
Plants & Animals
Aug 16, 2022
0
35
Close friendships among males are rare in the animal kingdom, as males usually compete for rank and access to females. However, male friendships can also be beneficial for male reproduction, as friends can provide support ...
Plants & Animals
May 25, 2022
0
60
Male pheromones just might be the fountain of youth for aging female animals' eggs, according to a new Northwestern University study.
Plants & Animals
May 19, 2022
1
120
Sometimes there are pretty valid reasons for leaving right after sex.
Plants & Animals
Apr 30, 2022
0
55
The reproductive success of male dolphins is not determined by strength or age, but via social bonds with other males. The better integrated males are in their social network, the more offspring they produce, a new study ...
Plants & Animals
Mar 24, 2022
0
25
Male animals are subject to stronger selection pressures than females, which may allow populations to adapt to environmental change more efficiently, according to a report published in the open-access journal eLife.
Evolution
Nov 30, 2021
0
54
Mammalian sperm cannot fertilize an egg from the get-go. It's an ability acquired only after insemination, during passage through the female reproductive tract, and requires two consecutive, time-sensitive processes to provide ...
Cell & Microbiology
Aug 20, 2021
0
415
A team of researchers from Uppsala University, the University of Cincinnati and the University of Toronto has found that there are benefits for female seed beetles mating with males with extra-long spiny genitalia. In their ...
Researchers at Lund University in Sweden have investigated how the X and Y chromosomes evolve and adapt to each other within a population. The results show that breaking up coevolved sets of sex chromosomes could lead to ...
Biotechnology
Mar 25, 2021
0
21
Male animals are less likely to try to attract a mate when they are in poor condition, a paper published in Nature Ecology and Evolution has found.
Plants & Animals
Mar 16, 2021
0
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