The ruff is a Eurasian shorebird that has a spectacular lekking behaviour where highly ornamented males compete for females. Now two groups report that males with alternative reproductive strategies carry a chromosomal rearrangement ...
Howler monkeys are about the size of a small dog, weighing around seven kilos, yet they are among the loudest terrestrial animals on the planet, and can roar at a similar acoustic frequency to tigers.
If you are in a special relationship with another person, thank grandma - not just yours, but all grandmothers since humans evolved.
A new study from Indiana University provides evidence in mice that males may play a positive role in the development of offspring's brains starting before pregnancy.
New research from the University of East Anglia shows that an evolutionary force known as 'sexual selection' can explain the persistence of sex as a dominant mechanism for reproducing offspring.
(Phys.org) —The way in which male moths locate females flying hundreds of meters away has long been a mystery to scientists.