'Bisexual' beetles are simply inept, new study finds

Same-sex mating behaviour amongst male insects is much more likely to be due to incompetence, than sexual preference, male-male competition or evolutionary motivation—according to new research from the University of East ...

Absent pheromones turn flies into lusty Lotharios

(PhysOrg.com) -- When Professor Joel Levine's team genetically tweaked fruit flies so that they didn't produce certain pheromones, they triggered a sexual tsunami in their University of Toronto Mississauga laboratory. In ...

Females choose mates for their personalities, study shows

Adventurous females choose mates with similar personalities, regardless of the male's appearance and other assets, according to research led by the University of Exeter. This is the first study to show that the non-sexual ...

Do hens have friends? It seems not

(Phys.org)—A Royal Veterinary College study has found that hens reared in commercial conditions do not form friendships and are not particular about who they spend time with.

Antidepressants polluting the water can change fish behavior

The Monash scientists who found that pharmaceutical pollutants in waterways altered reproductive behavior, anxiety levels, activity and antipredator responses of fish have now discovered for the first time that such toxicity ...

Promiscuous squid fatigued after mating: study

(Phys.org) -- In order to pass on their genes, southern dumpling squid engage in up to three hours of mating with each partner, but University of Melbourne researchers have found that this results in a reduced ability to ...

A new role is hatched for female fruit flies

A team of New York University biologists has uncovered a previously unknown role for a set of cells within the female reproductive tract of fruit flies that affects the functioning of sperm and hence fertility. Their discovery, ...

'Paranoia' about rivals alters insect mating behavior

Scientists at the University of Liverpool have found that male fruitflies experience a type of 'paranoia' in the presence of another male, which doubles the length of time they mate with a female, despite the female of the ...

page 1 from 3