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.
When salmon spawn, the sperm of competing males are in an all-or-nothing race to be the first to reach and fertilise the eggs.
Bonobos have a reputation for being the peaceful, free-loving hippies of the primate world. But, researchers reporting in Current Biology on July 10 have discovered that despite friendly relations between the sexes, particular ...
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 ...
Academy researchers Mikael Puurtinen and Lutz Fromhage at the Department of Biological and Environmental Science of the University of Jyväskylä and the Centre of Excellence in Biological Interactions have found out that ...
Humans make rational choices—though perhaps not all the time. But does the ability for rational decision-making extend to other members of the animal kingdom? If so, how far are they from the human lineage?
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.
Biologists studying a small, colorful fish in the Mediterranean Sea have discovered a new way in which a female can choose the best father for her offspring.
Who was the first woman to have her period in space? What is it like changing sanitary products while being weightless? And why doesn't menstrual flow just float up into the body when gravity isn't around?
University of Otago researchers studying chinook salmon have provided the first evidence that "cryptic female choice" (CFC) enhances fertilisation success and embryo survival.