Wild canines commonly form long-term attachments to their mates, partnering until death. But when resources are plentiful, monogamy is often abandoned.
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Playfulness in males signals that they are not aggressive and would not harm the mother and the offspring. So females would prefer playful and harmless males. And playfulness in females signal health and fecundity, according to Professor Chick. On this basis, adult playfulness seems to be attractive to the opposite sex.
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In early human evolution, when faithful females began to choose good providers as mates, pair-bonding replaced promiscuity, laying the foundation for the emergence of the institution of the modern family, a new study finds.
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Scientists have uncovered the first evidence of a non-human species cultivating plants for use other than as food. Instead, bowerbirds propagate fruits used as decorations in their sexual displays.
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Midway, part of the Papahānaumokuākea Marine National Monument, is one of the world's most spectacular wildlife experiences. Nearly three million birds call it home for much of each year, including the world's largest population of Laysan Albatrosses, or "gooney birds". Hawaiian monk seals, green sea turtles and spinner dolphins frequent Midway's crystal blue lagoon.
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Married people may pledge to stay faithful through good times and bad, but birds sing a different tune -- when weather is severe or uncertain, birds are more likely to stray from their mates, says a new study.
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Is it possible for a computer to know what makes us fall in love? Online dating websites are in pursuit of the perfect algorithm.
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In the game of love and sex, beautiful skin may draw the line between winners and losers: Women find men with a healthy skin color more appealing than those with a masculine face, new research shows.
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The likelihood that a man will match his language to that of a female conversation partner depends on how fertile she is, according to a study published Feb. 8 in the open access journal PLoS ONE.
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Love can bring out both the best and the worst in people. Which way it turns depends on the best way to protect the relationship, say researchers studying the evolution of romantic love.
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The mating habits of marine turtle may help to protect them against the effects of climate change, according to new research led by the University of Exeter. Published today in the journal Proceedings of the Royal Society B, the study shows how the mating patterns of a population of endangered green turtles may be helping them deal with the fact that global warming is leading to a disproportionate number of females being born.
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The perception that women are scarce leads men to become impulsive, save less, and increase borrowing, according to new research from the University of Minnesota's Carlson School of Management.
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(Medical Xpress) -- A new study co-authored by a University of Texas at Austin psychology professor suggests that self-deception may help men succeed in the mating game, while women will benefit more from effective communication.
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Men and women all have their personal preference when dating the opposite sex. While some men may prefer blonde hair and blue eyes, most women opt for a hairless man. New research suggests why women don't fall for hairy guys.
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Because increasing gender equality reduces gender differences in mate selection, studies indicate that the strategies men and women use to choose mates may not be as hardwired as scientists originally thought.
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Maria Albo, Gudrun Winther, Cristina Tuni, Søren Toft and Trine Bilde at Aarhus University in Denmark set out to see if the quality of the gift would affect whether or not a female mates, and if she does mate, how long she mates for. The research team went outside and collected a bunch of juvenile nursery web spiders, and then raised them up on a housefly diet until adulthood (This way the researchers knew that all the spiders were virgins, which is important). Then they offered males items to wrap: a normal housefly, a protein-enriched housefly, a worthless gift (a cotton ball, dry flower head or leftovers of a previously eaten fly), or nothing at all. They allowed each male to interact with a female for up to 30 minutes, and observed the female responses.
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FOR as long as humans have romanced each other, others have wanted to meddle. Internet dating sites claim to have brought science to the age-old question of how to pair off successfully. But have they?
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A woman is happiest in their relationship when their partner's attitude toward their pet matches her feelings about the animal.
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Evidence from all over the world suggests that men strongly prefer women who have a lot of body fat (roughly 30 percent of their body weight) and whose body fat is distributed in a particular way, with very little in the waist but much more in the hips, buttocks and thighs, producing a small waist-hip ratio. Why have men evolved to prefer such high levels of fat--more than bears settling down to hibernate or whales swimming in frigid waters? And even if it could be explained how more fat makes a better mom, why would it matter where she stored it; what is the message contained in a low waist-hip ratio? So this male preference actually consists of two nested psychological puzzles.
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“It seems as though house mice might provide a new model organism for the study of song in animals," lead researcher Dustin Penn, an evolutionary biologist at the Veterinary University of Vienna in Austria, said in a statement. "Who would have thought that?"
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As surprising as it seems, birds know how to use data from their social environment to maximize their chances of reproduction. Frédérique Dubois, a professor at the Université de Montréal Department of Biological Sciences, has already demonstrated that female Zebra Finches will favour a male chosen by another female. Dubois refers to this as imitation and the use of “public information” in choosing a mate.
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Falling asleep after sex is a good thing, according to new research that suggests it shows you are in love...
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Female orb-web spiders that eat their tiny male mates after copulation, called sexual cannibalism, have more, larger babies that survive longer than females prevented from eating their mates.
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"But when resources are plentiful, monogamy is often abandoned"