Related topics: genes

'Shy' male birds flock together—and have fewer friends

Male birds that exhibit 'shy' social behaviour are much more likely to join flocks of birds with a similar personality than their 'bold' male counterparts, a new study has found. But shy birds also have fewer social partners ...

Why guppies have genital claws

New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult for unreceptive females to get away during mating.

Male guppies ensure successful mating with genital claws

Some males will go to great lengths to pursue a female and take extreme measures to hold on once they find one that interests them, even if that affection is unrequited. New research from evolutionary biologists at the University ...

Shorebirds prefer a good body to a large brain

In many animal species, males and females differ in terms of their brain size. The most common explanation is that these differences stem from sexual selection. But predictions are not always certain. A team of researchers ...

Predicting long-term success in college

(Phys.org) —Long-term success in college may be better predicted with Advanced Placement (AP) exams and personality traits in combination with standard admission practices, according to new research from the Georgia Institute ...

Pantry pests trade immunity for sex

(Phys.org) —When presented with a bevy of beauties, male meal moths - the scourge of many a household pantry - will prefer to invest in sex over self-preservation, according to researchers.

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