Mating and Breeding News
May 21, 2024
Top Headlines
May 13, 2024 Researchers have used a novel combination of short-read and long-read RNA sequencing to identify the different isoforms of genes expressed in the crustacean Daphnia magna. Males and females are genetically identical, but using this technique the ...
May 15, 2024 In the emperor penguin courtship call, male vocalizations are composed of long, slow bursts with lower frequency tones than the female version. But calls of SeaWorld San Diego male penguin E-79 defied this binary. Also unusual was this penguin's ...
May 16, 2024 Sea otters are one of the few animals that use tools to access their food, and a new study has found that individual sea otters that use tools -- most of whom are female -- are able to eat larger prey and reduce tooth damage when their preferred ...
May 15, 2024 What makes the oldfield mouse steadfastly monogamous throughout its life while its closest rodent relatives are promiscuous? The answer may be a previously unknown hormone-generating cell. Scientists discover the cells and hormones that inspire mice ...
Latest Headlines
updated 11:58am EDT
May 13, 2024 Scientists have established a system to generate clonal sex cells in tomato plants and used them to design the genomes of offspring. The fertilization of a clonal egg from one parent by a clonal ...
May 9, 2024 In a study of a species of African butterfly, researchers have discovered a previously undescribed molecular mechanism of how the sex of an embryo is initially ...
May 7, 2024 How well bees tolerate temperature extremes could determine their ability to persist in a changing climate. But heat tolerance varies between and within populations, so entomologists examined bee ...
May 1, 2024 Researchers changed the composition of the gut microbiota in male mice through common antibiotics, inducing a condition called dysbiosis, and found that: - Mouse pups sired by a dysbiotic father show ...
Apr. 25, 2024 Mice lacking an olfactory system have had their sense of smell restored with neurons from rats, the first time scientists have successfully integrated the sensory apparatus of one species into ...
Apr. 24, 2024 Every cuckoo is an adopted child -- raised by foster parents, into whose nest the cuckoo mother smuggled her egg. The cuckoo mother is aided in this subterfuge by her resemblance to a bird of prey. ...
Apr. 23, 2024 The day a male spear squid hatches determines which mating tactic he will use throughout his life, according to new research. Spear squid (Heterololigo bleekeri) that hatch earlier in the season ...
Apr. 19, 2024 A study has found direct evidence of a species -- the American woodcock, a migratory shorebird from eastern and central North America -- that overlaps periods of migration and reproduction, a rare ...
Apr. 17, 2024 Researchers have shown that an Amazonian butterfly is a hybrid species, formed by two other species breeding together almost 200,000 years ago. ...
Apr. 16, 2024 Young male blue tits are less successful in fathering offspring outside their breeding pair, not because of a lack of experience, but because they ...
Earlier Headlines
Apr. 16, 2024 Plants with multiple sets of chromosomes, known as polyploids, are salt-tolerant or drought-resistant and often achieve higher yields. However, newly formed polyploid plants are often sterile or have ...
Apr. 12, 2024 Chimpanzees and bonobos are often thought to reflect two different sides of human nature -- the conflict-ready chimpanzee versus the peaceful bonobo -- but a new study shows that, within their own ...
Apr. 11, 2024 Researchers show that ozone levels, such as those found in many places on hot summer days today, destroy the sex pheromones of fruit fly species. As a result, some natural mating boundaries ...
Apr. 10, 2024 A survey of orchid bees in the Brazilian Amazon, carried out in the 1990s, is shedding new light the impact of deforestation on the scent-collecting pollinators, which some view as bellwethers of ...
Apr. 2, 2024 New research suggests animals can thrive in human-dominated environments by being expert judges of risk. Researchers examined the behavior of great-tailed grackles, a bird species successfully ...
Mar. 28, 2024 To woo a mate, the Albert's Lyrebird of Australia becomes a real song-and-dance bird. Each male first chooses a stage of entangled vines, then in performance he shakes the vines as part of his ...
Mar. 27, 2024 Researchers have discovered the first species pollinated by sap beetles in the genus Pandanus, a group of palm-like plants native to the tropics and subtropics of Africa and Eurasia. The discovery ...
Mar. 26, 2024 The queens in colonies of social insects, such as ants, bees, and wasps, are considered the veritable embodiment of specialization in the animal kingdom. The common perception is that the ...
Mar. 26, 2024 A study is the first to evaluate substrate recolonization by sponges in the U.S. Virgin Islands after two catastrophic storms using genetic analyses to understand how much clonality verses sexual ...
Mar. 25, 2024 A small-bird species, the Japanese tit (Parus minor), uses wing movements as a gesture to convey the message 'after you,' according to new research. When a mating pair arrives at their nest ...
Mar. 19, 2024 A curious aspect of tree frogs is that they often lay their eggs on the ground where the risk of predation by natural enemies is greater than in the trees where they live. A research team suggested ...
Mar. 18, 2024 Scientists have discovered how female Diadem butterflies have evolved to look like African Queen butterflies to repel ...
Mar. 14, 2024 In examining the mating rituals of roundworms, researchers uncovered a unique approach to reproduction that maximizes genetic ...
Mar. 14, 2024 After the egg has been fertilized by a sperm, the surrounding egg coat tightens, mechanically preventing the entry of additional sperm and the ensuing death of the embryo, a new study finds. The work ...
Mar. 13, 2024 Females of some whale species have evolved to live drastically longer lives so they can care for their families, new research ...
Mar. 13, 2024 New findings show the severe impact of fishing gear entanglements on the survival of critically endangered North Atlantic right whales, with every injury from entanglements impacting population ...
Mar. 12, 2024 The fertility of both female and male tsetse flies is affected by a single burst of hot weather, researchers have ...
Mar. 11, 2024 Grand-offspring of male frogs exposed to the pesticide linuron exhibited changes in their DNA that was linked to significant physiological impacts, a study reveals. The research highlights the ...
Mar. 8, 2024 New research describes the science behind a promising technique to treat infertility by turning a skin cell into an egg that is capable of producing viable embryos. The technique could be used by ...
Mar. 8, 2024 A team deciphers complicated mechanism underlying genetic ...
Tuesday, April 16, 2024
Friday, April 12, 2024
Thursday, April 11, 2024
Wednesday, April 10, 2024
Tuesday, April 2, 2024
Thursday, March 28, 2024
Wednesday, March 27, 2024
Tuesday, March 26, 2024
- The Behavior of Ant Queens Is Shaped by Their Social Environment
- Severe Hurricanes Boost Influx of Juveniles and Gene Flow in a Coral Reef Sponge
Monday, March 25, 2024
Tuesday, March 19, 2024
Monday, March 18, 2024
Thursday, March 14, 2024
- New Study on Mating Behaviors Offers Clues Into the Evolution of Attraction
- New Discovery Reveals How the Egg Controls Sperm Entry
Wednesday, March 13, 2024
- Menopause Explains Why Some Female Whales Live So Long
- Rope Entanglement Cause of Low Breeding Rates in Right Whales, Analysis Finds
Tuesday, March 12, 2024
Monday, March 11, 2024
Friday, March 8, 2024
- Research Sheds Light on New Strategy to Treat Infertility
- Mutation Solves a Century-Old Mystery in Meiosis
Thursday, March 7, 2024
Tuesday, March 5, 2024
Friday, March 1, 2024
Thursday, February 29, 2024
Tuesday, February 27, 2024
Monday, February 19, 2024
Sunday, February 18, 2024
Thursday, February 15, 2024
Wednesday, February 14, 2024
Thursday, January 25, 2024
Wednesday, January 24, 2024
Thursday, January 18, 2024
- For This Beetle, 'date Night' Comes Every Other Day
- Semen Microbiome Health May Impact Male Fertility
- How Does One Species Become Many?
Wednesday, January 17, 2024
- Rain Can Spoil a Wolf Spider's Day, Too
- Surprise Discovery: For Most Animals, Sperm Quality Does Not Reduce With Age
- Silkmoths: Different Olfactory Worlds of Females and Males
- Males of Newly Described Australian Burrowing Scorpions Have a Big Tail to Tell
Friday, January 12, 2024
Thursday, January 11, 2024
Tuesday, January 9, 2024
Thursday, January 4, 2024
Thursday, December 21, 2023
- Bugs That Help Bugs: How Environmental Microbes Boost Fruit Fly Reproduction
- Same and Different: A New Species of Pit Viper from Myanmar
- World's Smallest 'fanged' Frogs Found in Indonesia
Wednesday, December 13, 2023
- Study Overturns Conventional Wisdom About Wild Turkey Nesting Survival
- Aquatic Insects in Restored Streams Need More Rocks to Lay Their Eggs
Monday, December 11, 2023
Monday, December 4, 2023
Thursday, November 30, 2023
- Sea Fireflies Synchronize Their Sparkle to Seek Soulmates
- Small Marine Creatures Swimming in Plastic Chemicals Not Reproducing
Monday, November 20, 2023
Friday, November 17, 2023
Thursday, November 16, 2023
Monday, November 13, 2023
Thursday, November 9, 2023
- Desert Birds Lay Larger Eggs When They Have More Helpers
- Poison Dart Frogs: Personality Determines Reproductive Strategies
Thursday, November 2, 2023
Tuesday, October 31, 2023
- Shifting Nesting Timing Not Enough to Prevent Fewer Sea Turtle Hatchlings
- Advanced Assisted Reproduction in White Rhinos Is Safe and Reliable, Shows Evaluation of Procedures
Monday, October 30, 2023
Thursday, October 26, 2023
Wednesday, October 25, 2023
Thursday, October 12, 2023
Wednesday, October 11, 2023
Tuesday, October 10, 2023
Friday, October 6, 2023
Wednesday, October 4, 2023
Monday, October 2, 2023
- Pheromones Influence Death Feigning Behavior in Beetles
- Genetics of Attraction: Mate Choice in Fruit Flies
- Researchers Studied Thousands of Fertility Attempts Hoping to Improve IVF
Thursday, September 21, 2023
Tuesday, September 19, 2023
Friday, September 15, 2023
Thursday, September 14, 2023
- Clever Lapwings Use Cover to Hide in Plain Sight
- Pollination by More Than One Bee Species Improves Cherry Harvest
Thursday, September 7, 2023
Wednesday, September 6, 2023
Tuesday, September 5, 2023
Friday, September 1, 2023
Tuesday, August 29, 2023
Friday, August 25, 2023
Wednesday, August 23, 2023
- Scientists Solve Mystery of Why Thousands of Octopus Migrate to Deep-Sea Thermal Springs
- Deforestation Limits Nesting Habitat for Cavity-Nesting Birds
Wednesday, August 16, 2023
Friday, August 11, 2023
Thursday, August 10, 2023
- Biologists Find What Colors a Butterfly's World
- Researchers Identify Peptides for Pollen Tube Growth in Rice
Wednesday, August 9, 2023
Wednesday, August 2, 2023
Tuesday, August 1, 2023
Monday, July 31, 2023
Friday, July 28, 2023
Wednesday, July 26, 2023
- Lifespan of Aging Science's Model Organism Driven by Reproductive Self-Destruction
- Egg 'signatures' Will Allow Drongos to Identify Cuckoo 'forgeries' Almost Every Time, Study Finds