Mating and Breeding News
July 29, 2016

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More Mating and Breeding News
July 29, 2016

July 19, 2016 — Zebrafish are becoming more and more popular as a research model for human disease. Along with mice and humans, they are one of the most commonly studied animals in biomedical ... read more

July 19, 2016 — Testosterone plays a major role in controlling behavior associated with masculinity in many mammals. In early development, testosterone is involved in the formation and organization of ... read more

July 14, 2016 — A new study finds that access to some nutrients may be a star player in shaping traits related to fitness such as fecundity and eye size over the long term. Given drastic increases in the ... read more

Research Reveals Why Males Outnumber Females in Bird World

July 7, 2016 — New research reveals why males are outnumbering females in the bird world. Female birds 'fly the nest' from sparsely populated breeding sites leaving behind small groups of lonely males. ... read more

July 7, 2016 — The penis of the thistle tortoise beetle is as long as the beetle itself. Something that initially sounds exciting, can be complicated during mating. This is because the females also have a ... read more

Songbird Dads Vary Their 'Catering' Duties According to Circumstances

July 6, 2016 — Expecting songbird dads do not always work themselves into frenzy to provide food to their partners sitting on the nest. They take breaks on warmer days, when food is more readily available or if ... read more

July 6, 2016 — In several species of primates, males often discern when to mate with a female based on cyclical changes in the size and firmness of her sexual swelling -- a visual signal of a female's ... read more

The Taming of the Rat

July 6, 2016 — If you worry about having a pet rat in case it bites you, then you can relax. Recent research has found that a domesticated strain of rat selectively bred for tameness almost never bites human ... read more

July 5, 2016 — The floral diversity and repeated shifts in pollination have inspired a series of scientists to study adaptive evolution in the genus. But until now many of the species relationships have been ... read more

July 5, 2016 — A fly known as Emblemasoma erro uses sound, not smell, to locate its cicada hosts. And it's not just gravid females that are lured by the cicadas' songs -- males are also attracted to the ... read more

July 5, 2016 — New beetle species and genus from China was reared from legumes. Observed to eat the seeds, it belongs to a tribe, whose members are known to roll hardwood leaves to make nests. The females deposit ... read more

July 5, 2016 — Scientists have built a gene expression database of a stag beetle and identified genes important for sex determination and ... read more

June 30, 2016 — For the valerian plant, higher elevations in the Colorado Rocky Mountains are becoming much more co-ed. And the primary reason appears to be climate ... read more

Scientists Discover Maleness Gene in Malaria Mosquitoes

June 30, 2016 — Scientists have isolated a gene, which determines maleness in the species of mosquito that is responsible for transmitting malaria. The research describes identification and characterization of a ... read more

Sexual Arms Race Drives Range Expansion in UK Diving Beetle Species

June 29, 2016 — Sexual conflict and relative mating success seems to be driving a dramatic shift in the distribution of diving beetles in the UK, a new ... read more

June 28, 2016 — A math professor has developed a scientific model to address the various ways the Zika virus proliferates. The study reveals that mosquito control should remain the most important mitigation method ... read more

World's First Successful Artificial Insemination of Southern Rockhopper Penguin

June 28, 2016 — DNA tests have confirmed that one of the three southern rockhopper penguin chicks born at Osaka Aquarium Kaiyukan between June 4 and 6 was conceived through artificial insemination. It is the ... read more

June 27, 2016 — Bumble bees have discriminating palates when it comes to their pollen meals, according to researchers. The researchers found that bumble bees can detect the nutritional quality of pollen, and that ... read more

June 24, 2016 — Sparrows form pair bonds that are normally monogamous, but many females are unfaithful to their partner and have offspring with other males. Biologists believe that the male birds are unfaithful to ... read more

June 24, 2016 — Birdsong has long been associated with courtship or competitive behavior. And males were considered to be more active. Now a research team shows that female singing is much more common. They ... read more

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