In a study of 30 males and 400 individuals, researchers found that males with many friends spent less time with them when females entered the picture. The study suggests that male friendships may not be crucial for attracting females or maintaining reproductive success.
SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalProceedings of the Royal Society B Biological Sciences·TypeObservational study·DateMay 25, 2022
Male mice exhibit increased stress hormones and decreased pain sensitivity when near pregnant or lactating females, which is linked to a specific olfactory signal. This finding has significant implications for improving experiment reliability and represents a breakthrough in mammalian social signaling.
SourceMcGill University·JournalScience Advances·TypeExperimental study·DateMay 24, 2022
Apple iPhone 17 Pro
Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
Researchers develop system to measure power distribution between sexes in animals, finding females rule in some species, with reproductive control as common thread. The study proposes a new framework to quantify intersexual power relationships across mammalian societies.
SourceCell Press·JournalTrends in Ecology & Evolution·TypeLiterature review·DateMay 18, 2022
Researchers at North Carolina State University discovered that female German cockroaches averse to glucose reject male offers of body secretions containing sugars and fats. The study shows that glucose-averse females sense a bitter taste when mixing their saliva with the male secretions, ending the courtship ritual.
SourceNorth Carolina State University·JournalCommunications Biology·TypeExperimental study·DateMay 12, 2022
Researchers at the University of Birmingham found that infected fruit flies continue to engage in courtship and mating behaviors, similar to uninfected flies. The study suggests that animals may invest more in reproduction when faced with a potential life threat, potentially to pass on genes to the next generation
SourceUniversity of Birmingham·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateMay 10, 2022
Aranet4 Home CO2 Monitor
Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.
Researchers discovered fossilized trilobite appendages exhibiting characteristics similar to those found in male horseshoe crabs. These findings suggest a unique mating strategy, where males use the appendages to grasp females during reproduction, providing insight into the reproductive behavior of ancient complex animals.
SourceHarvard University, Department of Organismic and Evolutionary Biology·JournalGeology·DateMay 6, 2022
A new framework for understanding animal societies emerges from a review of wealth inequality research in humans and animals. Wealth is found to be distributed equally or unequally across species, with material goods, individual attributes, and social connections being critical sources.
SourceMax-Planck-Gesellschaft·JournalProceedings of the Royal Society B Biological Sciences·TypeMeta-analysis·DateMay 3, 2022
A Dartmouth study using advanced recording technology reveals that females prefer lower frequency songs with low variance, while males time their songs to follow neighbors. The research shows how chorus composition and individual songs impact mating in wood frogs.
SourceDartmouth College·JournalEcology Letters·TypeMeta-analysis·DateApr 28, 2022
A study found that large mammals and birds essential for seed dispersal in the Atlantic Rainforest are disappearing due to deforestation. In contrast, smaller animals have lower interaction levels with plants.
SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalBiotropica·DateApr 26, 2022
Apple AirPods Pro (2nd Generation, USB-C)
Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.
Research by the University of Bath found that weaver birds eating seeds live in colonies and have polygamous breeding, while those eating insects are solitary and monogamous. The study statistically supports an ecological hypothesis on social behavior first proposed 58 years ago.
SourceUniversity of Bath·JournalThe American Naturalist·TypeData/statistical analysis·DateApr 6, 2022
A new study at Tel Aviv University reveals prehistoric humans collected and recycled old stone tools, mostly to preserve the memory of their ancestors. The researchers propose that they had an emotional urge to collect old human-made artefacts, as a means for maintaining connectedness with place and time.
SourceTel-Aviv University·JournalScientific Reports·DateMar 7, 2022
Researchers discovered two dominant strategies among flatworms: reciprocal males receive more resources, while hypodermic mated species invest heavily in female organs. Self-fertilization in these species increases with hypodermic mating, suggesting a common evolutionary principle between plants and worms.
SourceUniversity of Basel·JournalBMC Biology·DateFeb 14, 2022
Researchers identified Dh31, a signaling molecule released from the fly's gastrointestinal tract, which switches focus from eating to mating. The study provides mechanistic explanation for how Dh31 acts on brain to change motivational drive of critical behaviors.
SourceUniversity of California - San Diego·JournalNature·TypeExperimental study·DateFeb 9, 2022
Researchers found that male mosquitoes beat their wings up to 500-1,000 times a second, changing frequency to produce 'distortion tones' more audible to the male ear. This change is partly due to their circadian clock and allows males to detect females in swarms.
SourceUniversity College London·JournalScience Advances·TypeObservational study·DateJan 12, 2022
SAMSUNG T9 Portable SSD 2TB
SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.
Researchers found that dolphin females have a functional clitoris, with large areas of erectile tissue, nerves, and free nerve endings similar to those in human clitoris. The study suggests that the dolphin clitoris plays a role in female sexual pleasure, providing insights into animal sexuality.
SourceCell Press·JournalCurrent Biology·TypeObservational study·DateJan 10, 2022
A new theory outlines how magnetite crystals in specialized receptor cells of salmon and other animals may have roots in ancient genetic systems developed by bacteria, suggesting a common evolutionary history between magnetite-producing bacteria and fish. The findings have the potential for widespread application, from improving salmon...
SourceOregon State University·JournalProceedings of the National Academy of Sciences·DateJan 10, 2022
A study predicts that 6,150 km of new Pacific salmon habitat will emerge in the Pacific mountains by 2100, with most occurring in Alaska and the transboundary region. This newly formed habitat can support rapid colonization by salmon populations, offering local opportunities for some species but posing challenges under climate change.
SourceUniversity of Birmingham·JournalNature Communications·TypeData/statistical analysis·DateDec 7, 2021
Apple MacBook Pro 14-inch (M4 Pro)
Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.
Researchers find that male golden orb-weaving spiders use animal magnetism and physical forces to approach females without being detected. By sensing vibrations on the web, males can balance risk and reward to survive, demonstrating complex decision-making capabilities.
SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateDec 6, 2021
Researchers found that fish exposed to BPA exhibited feminizing effects on gonads, brain genes, and hormone levels, leading to changes in aggression and sex determination. In contrast, EE2 had less pronounced effects, with decreased aggression despite feminization of gonads.
SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalHormones and Behavior·TypeExperimental study·DateDec 3, 2021
Researchers found that females who consumed less food for their entire lives lived longer but didn't reproduce as well as better-fed counterparts. However, those who switched to unlimited food after early life restriction started mating and reproducing more, producing three times more offspring than restricted diet flies.
SourceUniversity of East Anglia·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateNov 23, 2021
FAU researchers custom-build multi-sensor tag combined with AI to observe goliath grouper species in the wild. The study identified 13 behaviors, including hovering, forward swimming, and vocalizations, using video footage from the tags.
SourceFlorida Atlantic University·JournalSensors·TypeObservational study·DateNov 4, 2021
Exposure to artificial light at night impairs crickets' activity cycles, disrupting their nocturnal chirping and potentially affecting reproduction. The study, conducted by researchers at Tel Aviv University and the Open University, highlights the need to reduce artificial light pollution to protect environmental behaviors.
SourceTel-Aviv University·JournalProceedings of the Royal Society B Biological Sciences·DateNov 2, 2021
AmScope B120C-5M Compound Microscope
AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.
Researchers have identified a gene called Nup54 that plays a crucial role in regulating female reproductive behaviors in fruit flies. This discovery provides new insights into the molecular mechanisms underlying sexual conflict and its impact on evolution.
SourceUniversity of Birmingham·JournalBMC Biology·TypeExperimental study·DateOct 20, 2021
Researchers found that over a quarter of female white-necked Jacobin hummingbirds exhibit showy colors similar to males, aiding in evasion of aggressive behaviors during feeding and mating. This study suggests that the display of flashy colors is driven by social selection rather than sexual selection.
SourceCell Press·JournalCurrent Biology·TypeObservational study·DateAug 26, 2021
MIT neuroscientists have identified a brain circuit that stops mice from mating with others showing signs of illness. The circuit, controlled by the amygdala's COApm region, triggers a warning signal to stay away from sick animals.
SourceMassachusetts Institute of Technology·JournalNature·DateMar 31, 2021
Low-ranking male hyenas experience higher levels of stress when interacting with rivals, limiting their access to desirable females and reproductive success. This mechanism is more crucial than physical traits in determining offspring quality and quantity.
SourceLeibniz Institute for Zoo and Wildlife Research (IZW)·JournalFunctional Ecology·DateJan 18, 2021
Sky & Telescope Pocket Sky Atlas, 2nd Edition
Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.
Researchers at the Champalimaud Centre for the Unknown discovered a direct link between prolactin and the male refractory period is unlikely. They found that artificially increasing or blocking prolactin levels had no effect on the animals' sexual behavior, contradicting the long-held theory.
SourceChampalimaud Centre for the Unknown·JournalCommunications Biology·DateJan 4, 2021
A study by the University of Portsmouth discovered that giant feathery shipworms engage in competitive mating, where larger worms have an advantage due to longer siphons. The researchers observed stages of sperm transfer and sparring between rival mates, revealing a sophisticated form of reproductive behavior.
SourceUniversity of Portsmouth·JournalBiology Letters·DateDec 9, 2020
Researchers found that flashier lizards are more likely to be attacked by predators due to their bright colors. However, females prefer brighter males because they may possess high-quality genetic material or resources.
SourceBinghamton University·JournalEvolutionary Ecology·DateDec 1, 2020
Researchers found that betta fish opponents undergo similar brain changes that become more synchronized after longer fights. The study suggests that even in aggressive behavior like fighting, brains may cooperate at the molecular level.
Apple iPad Pro 11-inch (M4)
Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.
Researchers discovered that the darcin pheromone triggers a complex response in the brain of female mice, driving both innate and learned sexual behaviors. The study mapped the neural circuitry responsible for processing the pheromone, revealing its role in integrating sensory information with an animal's internal state.
SourceThe Zuckerman Institute at Columbia University·JournalNature·DateJan 29, 2020
A study on olive baboons found that females avoid mating if either the male or female shows visible signs of infection, while males do not change their behavior. The researchers aim to understand how sexually transmitted diseases impact non-human primate populations.
SourceDeutsches Primatenzentrum (DPZ)/German Primate Center·JournalScience Advances·DateDec 4, 2019
Researchers from Yale School of Forestry & Environmental Studies propose a new framework for understanding same-sex behavior in animals, arguing that these behaviors are not costly but rather neutral and advantageous. They suggest that these tendencies likely evolved in the earliest forms of sexual behavior and may be more common than ...
SourceYale School of the Environment·JournalNature Ecology & Evolution·DateNov 18, 2019
A University of Pittsburgh study found that sexual selection alone could spark the formation of new species through imprinted behaviors. The research, which focused on strawberry poison frogs, suggests that females prefer mates with similar colors to their mothers and males become more aggressive against rivals with matching colors.
SourceUniversity of Pittsburgh·JournalNature·DateOct 17, 2019
A team of researchers has developed a robotic device that can mimic the sensory function of human skin, allowing it to sense touch and respond accordingly. The device, which features a stretchable transistor, represents a significant step towards creating prosthetics that can directly connect with peripheral nerves.
SourceUniversity of Houston·JournalScience Advances·DateOct 14, 2019
DJI Air 3 (RC-N2)
DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.
Research at a bonobo community found that female-female sex increased oxytocin levels, promoting social bonding and cooperation. This suggests that same-sex interactions may play a crucial role in maintaining high levels of cooperation among female bonobos.
SourceMax Planck Institute for Evolutionary Anthropology·JournalHormones and Behavior·DateSep 10, 2019
Observational fieldwork provides valuable insights into evolutionary function, conditions for cognitive skill employment, and brain plasticity. Janmaat's five-step guideline guides scholars in studying cognition in wild animals through a suite of behaviours and statistical models.
SourceMax Planck Institute for Evolutionary Anthropology·JournalEvolutionary Anthropology Issues News and Reviews·DateAug 20, 2019
A new study finds that male black widow spiders will hijack the silk trails left by rival males in search of a potential mate. The researchers discovered that males can locate females from up to 60 meters away and move at higher speeds when following rival's silk trails.
In a rare African damselfly species, females facilitate reproductive success of inferior males when their health is at risk. By evading dominant males' attention and preserving their health, females inadvertently enable sneaker male paternity.
SourceEcological Society of America·JournalEcology·DateJul 8, 2019
Sony Alpha a7 IV (Body Only)
Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.
The sixth National Survey of Australian Secondary Students and Sexual Health found 47% of sexually active respondents had engaged in intercourse, with 76% having sex at home. The survey also showed that young Australians have good knowledge of sexual health, are behaving responsibly, and are actively seeking out trusted sources of info...
A new study found that endocrine disruptors can alter female reproduction and sexual development in offspring, affecting reproductive health throughout multiple generations. The researchers observed delayed puberty, abnormal cycles, and ovulation in third- and fourth-generation females.
Researchers found that female crickets choose males who lost fights over alpha males for mating. In a study using the cricket Gryllus bimaculatus, females preferred males with lower aggression levels during courtship.
SourceAKSON Russian Science Communication Association·JournalFrontiers in Ecology and Evolution·DateFeb 8, 2019
A study by Oxford University found that individual personalities of male great tits influence their bonding with future breeding partners. Bold, proactive males choose partners sooner and invest more effort in relationships before breeding begins.
SourceUniversity of Oxford·JournalNature Ecology & Evolution·DateOct 1, 2018
New research reveals that female mosquitoes rapidly evolve more selective mating behavior when faced with existential threats from other invasive mosquito species. This adaptation is driven by genetic changes in specific gene regions and enables them to avoid sterility caused by interbreeding with male males of a different species.
SourceNorth Carolina State University·JournalMolecular Ecology·DateAug 16, 2018
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.
Researchers at London School of Hygiene & Tropical Medicine identified six common categories of disgust related to infectious diseases, including infected wounds and poor hygiene. These findings could help target public health messaging and develop new methods to keep environments healthy.
SourceLondon School of Hygiene & Tropical Medicine·JournalPhilosophical Transactions of the Royal Society of London (B )·DateJun 3, 2018
A recent IUPUI study has made a groundbreaking discovery in understanding the role of blow flies in transmitting pathogens. Researchers found that analysis of blow fly digestive tracts can detect fecal metabolites, providing valuable insights into pathogen transmission and conservation.
SourceIndiana University-Purdue University Indianapolis School of Science·JournalEnvironmental Entomology·DateMay 22, 2018
A field study in Panama reveals how tropical fish use electric fields to communicate for coordinated behaviors like mating and reproduction. Researchers found distinct signals for attracting mates and signaling fertilization, highlighting the need for studying behavior and sensory scenes in natural environments.
Scientists found that biological sex modifies communication between nerve cells and generates different responses in males and females to the same stimulus. This study used C. elegans to demonstrate how sex-specific configurations of neural circuits can modify behavior.
SourceUniversity of Rochester Medical Center·JournalCurrent Biology·DateMar 8, 2018
Fluke 87V Industrial Digital Multimeter
Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.
A study predicts that King penguins will face massive population crashes due to increased food travel distances, potentially leading to extinctions. However, the birds' ability to adapt and find new breeding locations may help them survive.
SourceUniversity of Vienna·JournalNature Climate Change·DateFeb 26, 2018
A study published in Nature Communications reveals that kisspeptin, a hormone in the brain, drives attraction to the opposite sex and triggers sexual behavior. The discovery opens up new possibilities for treating patients with low sexual desire disorders.
SourceSaarland University·JournalNature Communications·DateJan 26, 2018
NOAA scientists found that vessel traffic noise is reducing the distance over which Atlantic cod and haddock can communicate with each other. This may alter their daily behavior, feeding, mating, and socializing during critical biological periods.
SourceNOAA Northeast Fisheries Science Center·JournalScientific Reports·DateDec 12, 2017
Scientists have developed a theory explaining how animals adjust their movement patterns in response to environmental cues such as food, predators and mating partners. The research reveals the complex interplay between an animal's force, drag, and behavioral response to environmental signals.
SourceUniversity of Leicester·JournalScientific Reports·DateOct 30, 2017
Davis Instruments Vantage Pro2 Weather Station
Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.
Golden-collared manakin males use cleanliness to attract mates and exhibit complex courtship displays. In contrast, females show no motivation to clean their male counterparts' displays, suggesting hormonal influence is specific to males.
SourceSmithsonian Tropical Research Institute·JournalAnimal Behaviour·DateSep 1, 2017
Research highlights the benefits of maternal stress in wildlife, influencing offspring characteristics and behaviors. Prenatal exposure to stress hormones can shape epigenetic changes, behavior, and physiology in offspring.
SourcePenn State·JournalIntegrative and Comparative Biology·DateAug 31, 2017
Researchers at the University of Tokyo have discovered how a male pheromone enhances female sexual behaviors in mice by activating specific neurons in the brain. The study found that a single purified chemical called ESP1 is detected by a sole corresponding receptor, making it easier to track and understand its effects on behavior.
Apple Watch Series 11 (GPS, 46mm)
Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.
A study by Bielefeld University researchers found that male plover survival rates are significantly higher than females, resulting in a sex bias of only 37% females among adult plovers. This advantage may be due to males having greater body weight and growth rates at hatching.
SourceBielefeld University·JournalProceedings of the National Academy of Sciences·DateJun 22, 2017
Researchers at Georgia State University have discovered a link between male sexual behavior and elevated male sex hormone receptors in the muscles of sex-changing fish. The study found that males express more androgen receptors in the supracarinalis muscle, which is associated with increased rates of courtship and aggressive displays.
SourceGeorgia State University·JournalPLOS ONE·DateJun 8, 2017
Researchers at California Institute of Technology have identified a neural circuit in the brain that controls wakefulness. The discovery could lead to new treatments for insomnia and other sleep disturbances. The study found that stimulating these neurons with light can help overcome tiredness, while silencing them can induce sleep.
SourceCalifornia Institute of Technology·JournalNeuron·DateJun 8, 2017
A new study by researchers at the University of California, Davis and the University of New Hampshire found hundreds of differences in gene activity between male and female rock doves. The findings aim to promote sex and gender inclusion in experimental science and shed light on physiological differences between sexes.
SourceUniversity of California - Davis·JournalScientific Reports·DateApr 18, 2017
Research by entomologists from the University of Lincoln found that female beetles control the duration of copulation, with kicking time remaining consistent when mated to the same partner. In contrast, mating to different partners resulted in varying kick times and durations.
SourceUniversity of Lincoln·JournalRoyal Society Open Science·DateFeb 21, 2017
Celestron NexStar 8SE Computerized Telescope
Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.