Dominant male pheasants learn faster than their downtrodden rivals, new research shows.
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.
Scientists in the UK have observed a fascinating new fact about sex changing fish: the direction of sex change has implication for population numbers.
Male domestic fowl are less aggressive towards related males than to unrelated males when competing for copulations, according to a new study from Linköping University in Sweden. This finding, which has been published in ...
Norwegian researchers show that the sperm of Arctic char, a cold-water fish common to alpine lakes, swim at different speeds in different fluids, depending on whether the fish are dominant or submissive. The finding published ...
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.
In the world of chimpanzees, being the alpha male definitely has its benefits and, as with humans, it's good to have powerful friends.
Spanish police were on Tuesday investigating the decapitation of a European bison and the disappearance of three others from a nature reserve which was set to start a breeding programme for the species.
"Survival of the fittest" usually means that animals put their own needs first, but occasionally it pays to work together. A new study in The Auk: Ornithological Advances describes an unusual example of cooperative breeding ...
Colour-changing fish have only one skin, but they use it to communicate social status, attract mates, avoid predators and more. So what happens when those functions collide?