Mating and Breeding News
July 5, 2023

Top Headlines

Birds Raise Fewer Young When Spring Arrives Earlier in a Warming World

A new study of North American songbirds finds that birds can't keep up with the earlier arrival of spring caused by climate change. As a result, they're raising fewer young. By the end of the 21st century, climate change will cause springlike weather to begin 25 days earlier, but birds will only ...

Boy Fly Meets Girl Fly Meets AI: Training an AI to Recognize Fly Mating Identifies a Gene for Mating Positions

A research group has developed a new system to detect mating in fruit flies using artificial intelligence. They used the system to determine how fruit flies use mechanical stimuli during mating to maintain an effective mating position. When they ...

Songbird Study Shows One Hit Wonder Has to Change His Tune to Attract a Mate

Over two years, researchers recorded and analyzed 7,000 songs of wild blue tits breeding in closely monitored nest boxes. They devised an experiment which involved playing song recordings to receptive females and discovered that male vocal ...

Do Warmer Temperatures Make Turtles Better Mothers?

Warmer temperatures are known to make more turtle eggs become female hatchlings, but new research shows that those females also have a higher capacity for egg production, even before their sex is set. This finding may explain why many animals besides turtles have temperature-dependent sex ...

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Happy Worms Have Healthy Eggs

Researchers have exposed roundworms (a well-established model organism in biological research) to selective serotonin reuptake inhibitors (SSRIs), a class of drugs used for treating depression and ...

Early-Nesting Ducks at Increased Risk Due to Changes in Climate, Land Use

Each year approximately 10 million waterfowl fly north to their breeding grounds in the Prairie Pothole Region of North America, but the landscape that greets them has changed. Weather patterns and ...

Male California Sea Lions Are Becoming Bigger and Better Fighters as Their Population Rebounds

California sea lions have managed to maintain -- and, in the case of males, increase -- their average body size as their population grows and competition for food becomes fiercer. This is in contrast ...

Biologists Discover Bees to Be Brew Masters of the Insect World

Scientists have made a remarkable discovery about cellophane bees -- their microbiomes are some of the most fermentative known from the insect world. These bees, which are named for their use of ...

Female Butterflies Breed Despite Male Shortage

Female monarch butterflies have no trouble finding a mate -- even when a parasite kills most of the males, new research ...

New Genetic Target for Male Contraception Identified

Discovery of a gene in multiple mammalian species could pave the way for a highly effective, reversible and non-hormonal male contraceptive for humans and animals. Researchers identified expression ...

Why Orchid Bees Concoct Their Own Fragrance

The reason why male bees collect scents in pockets on their hind legs remained a mystery for a long time. As an attractant? As a wedding gift? To show off to other males? Researchers have now figured ...

Father's Alcohol Consumption Before Conception Linked to Brain and Facial Defects in Offspring

Research investigating fetal alcohol syndrome (FAS) exclusively examines maternal alcohol exposure. However, because men drink more and are more likely to binge drink than women, scientists set out ...

British Flower Study Reveals Surprise About Plants' Sex Life

A study of Britain's native flowering plants has led to new insights into the mysterious process that allows wild plants to breed across species -- one of plants' most powerful evolutionary ...

Time-Restricted Fasting Could Cause Fertility Problems

Researchers have found that time-restricted fasting could cause fertility problems. Time-restricted fasting is an eating pattern where people limit their food consumption to certain hours of the day. ...

Perfume Component Helps Lure Male Moth Pests

A small amount of a perfume component -- nonanal -- added to a traditional blend of sex pheromones captures the attention of male fall armyworm moths looking for a good ...


Male Yellow Crazy Ants Are Real-Life Chimeras

Researchers discovered that males of the yellow crazy ant have maternal and paternal genomes in different cells of their body and are thus ...

What Is It Good For? Absolutely One Thing: Luna Moths Use Their Tails Solely for Bat Evasion

Scientists recently discovered that Luna moths use their long tails as decoys to throw bats off their trail. But their tails also make Luna moths might also make them stand out to potential mates and ...

Surprising Science Behind Bumblebee Superfood

它的刺。新的研究表明,带刺的pollen from plants in the sunflower family (Asteraceae) both reduces infection of a common bee parasite by 81 -- 94% and markedly increases the ...

Components of Cytoskeleton Strengthen Effect of Sex Hormones

Researchers discover that actin acts in the cell nucleus and is partly responsible for the expression of male sexual ...

Bomb-Sniffing Rodents Undergo 'Unusual' Reproductive Transformations

Female giant African pouched rats, used for sniffing out landmines and detecting tuberculosis, can undergo astounding reproductive organ transformations, according to a new ...

Babies or Beauty? Ancient Origin of How Female Butterflies Invest

When resources are scarce, most animals have to choose. A new study reveals an ancient origin to how female butterflies ...

Inbreeding Contributes to Decline of Endangered Killer Whales

The small size and isolation of the endangered population of Southern Resident killer whales in the Pacific Northwest have led to high levels of inbreeding. This inbreeding has contributed to their ...

Humans Bite Back by Deactivating Mosquito Sperm

New research makes it likely that proteins responsible for activating mosquito sperm can be shut down, preventing them from swimming to or fertilizing ...

Air Pollution Impairs Successful Mating of Flies

A research team demonstrates that increased levels of ozone resulting from anthropogenic air pollution can degrade insect sex pheromones, which are crucial mating signals, and thus prevent successful ...

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