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Mating and Breeding News
October 26, 2016

Latest Headlines
updated 11:25am EDT

More Mating and Breeding News
October 26, 2016

Sep. 27, 2016 — A common marine crustacean has shown researchers that it's all set to beat climate change -- the males will get more attractive to the females, with a resulting population ... read more

Sep. 27, 2016 — In the animal kingdom colorful traits can be both a blessing and a curse. A new study has studied the conspicuous wing coloration of two species of damselflies. Their results imply that males, but ... read more

Sep. 24, 2016 — Biologists combed through 28 years' worth of data on Magellanic penguins to search for signs that natural selection -- one of the main drivers of evolution -- may be acting on certain penguin ... read more

Sep. 23, 2016 — In the female dog, cells of the uterus can accumulate lipid droplets to form so-called foamy epithelial cells during late metoestrus. These cells produce a hormone that is involved in the ... read more

Researcher Finds Gene That Reduces Female Mosquitoes

Sep. 22, 2016 — Placing a particular Y chromosome gene on the autosomes of Anopheles stephensi mosquitoes — a species responsible for transmitting malaria — killed off 100 percent of all female embryos that ... read more

Sep. 20, 2016 — For the first time, behavioral ecologists studied the impact of maternal stress on primate infants in the wild. Researchers followed non-human primate mothers through their gestation and their ... read more

The Call of the Dung: How Flies Find Their Meal

Sep. 20, 2016 — Like many other insects, vinegar flies produce pheromones to call their conspecifics to an interesting food source. A research team has demonstrated in a new study that the flies' frass also ... read more

Sep. 13, 2016 — Eggs can be 'tricked' into developing into an embryo without fertilization, but the resulting embryos, called parthenogenotes, die after a few days because key developmental processes ... read more

Between a Rock and a Hard Place: Biologists Unearth Sandstone-Excavating Bees

Sep. 12, 2016 — Scientists describe the uncommon xeric bees that expend great effort to carve their nests in sandstone. Researchers discovered the bees nesting in sandstone nearly 40 years ago at two sites in ... read more

Male Chemistry Primes Females for Reproduction -- But at a Cost

Sep. 8, 2016 — Scientist have discovered that male animals, through their invisible chemical 'essence,' prime female animals for reproduction but with the unfortunate side effect of also hastening ... read more

Sep. 7, 2016 — 'Survival of the fittest' usually means that animals put their own needs first, but occasionally it pays to work together. A new study describes an unusual example of cooperative breeding ... read more

Sep. 6, 2016 — A research team has determined the complete genetic code of 11 members of a flycatcher pedigree. Doing this, they have for the first time been able to estimate the rate of new mutations in birds. ... read more

Sep. 6, 2016 — A study shows that contests of butterflies occur only as erroneous courtships between sexually active males that are unable to distinguish the sex of the other ... read more

Atlantic Cod's Sex Gene Has Been Revealed

Sep. 2, 2016 — Newly developed methods have made it possible to determine the Atlantic cod's gender genetically. This could increase profits on cod in aquaculture, say ... read more

Devotion to Rearing Chicks Can Come at a Cost for Migratory Birds

Aug. 30, 2016 — Birds that have to work harder during breeding season will feel the effects of their exertions the following year, according to research. A new study found that migratory seabirds suffered negative ... read more

Aug. 30, 2016 — Human relationships and interactions form our social network. Crickets are no different, except their networks are simpler. A researcher found the insects' social network remains mostly ... read more

Cannabinoid Receptor Activates Spermatozoa

Aug. 30, 2016 — Biologists have detected a cannabinoid receptor in spermatozoa. Endogenous cannabinoids that occur in both the male and the female genital tract activate the spermatozoa: they trigger the so-called ... read more

Aug. 30, 2016 — New research has resolved a mystery over why female fiddler crabs visit and leave many males during mating season, and found the females aren't just being ... read more

Female Mosquitoes Can Transmit Zika Virus to Their Eggs, Offspring

Aug. 30, 2016 — Female Aedes aegypti mosquitoes can pass the Zika virus to their eggs and offspring, new research shows. The recent Zika virus outbreak in Florida has dramatically increased efforts to remove A. ... read more

Aug. 24, 2016 — An African desert-dwelling male bird favors his biological sons and alienates his stepsons, suggests new research. The species is the southern pied babbler, a black and white bird found in Botswana, ... read more

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