During the mating season, male damselflies battle fiercely for control of prime territories containing resources—typically patches of floating leaves used for egg deposition in wetlands—that are key to attracting females. ...
Plants & Animals
Jul 8, 2019
1
9
Male house mice produce several pheromones, which are volatile and non-volatile chemical signals that have potent effects on the reproductive physiology and behavior of female mice. A recent study conducted by researchers ...
Plants & Animals
Mar 11, 2019
0
50
In most animal societies, members of one sex dominate those of the other. Is this, as widely believed, an inevitable consequence of a disparity in strength and ferocity between males and females? Not necessarily. A new study ...
Plants & Animals
Nov 19, 2018
0
511
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
Mongoose mothers boost their pups' survival chances by evicting rival females from their social groups, new research shows.
Plants & Animals
Nov 14, 2017
0
62
Dominant female meerkats use aggression to keep subordinates from breeding, but a new study finds this negative behavior also can result in the latter becoming less willing to help within the group.
Plants & Animals
Sep 22, 2017
2
193
Within a group of meerkats, call patterns vary with factors including sex, rank and reproductive season—but not with stress hormones, according to a study published May 3, 2017 in the open-access journal PLOS ONE by Jelena ...
Plants & Animals
May 3, 2017
0
39
Okayama University researchers confirm the role of mate-guarding in males for blocking the female's visual familiarity with rival males to improve mating success in a medaka fish model.
Plants & Animals
Nov 21, 2016
0
3
Testosterone. It's often lauded as the hormone that makes males bigger, bolder, stronger.
Plants & Animals
Oct 20, 2016
1
333
Meerkats live in groups of up to 50 individuals, yet a single dominant pair will almost completely monopolise reproduction, while subordinates help to raise offspring through feeding and babysitting. Since only a small minority ...
Plants & Animals
May 25, 2016
0
16
