Researchers have identified three cell types in the median raphe nucleus that control decisions on perseverance, exploration, and disengagement. These findings may help understand neuropsychiatric conditions such as OCD, autism, and major depressive disorder.
Developed by Doshisha University researchers, vmTracking assigns virtual markers to track multiple animals without physical markers. It outperforms traditional methods in crowded environments and demonstrates high accuracy in tracking various species, including fish schools and human dancers.
Researchers found that human presence altered the behavior of African mammals, including lions and zebras, visiting waterholes. Animals shifted their schedules to avoid carnivores active during the day, but some herbivores visited at night instead.
Researchers argue that zoos should adopt a rational approach to population management, balancing education and conservation goals with the reality of animal mortality. Planned culling can help maintain self-sustaining populations and reduce carbon footprint by utilizing in-house meat supplies.
A multidisciplinary team of researchers will investigate how animals detect magnetic fields, building on existing knowledge that a blue-light sensing protein called Cryptochrome plays a key role. The study's findings may lead to the development of non-invasive measurement tools and magnetic cell therapies.
A collaborative study reveals distinct mechanisms of plant and animal response to climate change in their life-cycle phenology. The research team compiled a global phenological dataset, showing that plants' late-season phenophases advance more significantly than animals', potentially due to increased plant productivity.
Researchers found that marine animals across species save energy by swimming at similar relative depths when traveling and not feeding. This 'sweet spot' minimizes wave formation and vertical distance traveled, allowing animals to conserve energy on long journeys.
A research team from the Istituto Italiano di Tecnologia has identified a key brain mechanism that modulates how animals react to others' emotions. This finding provides new insights into psychiatric conditions such as PTSD, autism, and schizophrenia.
Scientists uncovered the first direct evidence that ancient Americans primarily relied on mammoth and other large animals for food. The study sheds light on both the rapid expansion of humans throughout the Americas and the extinction of large ice age mammals.
A new study found that climate warming can increase the severity of bacterial infections in cold-blooded animals like corals, insects, and fish. The researchers analyzed data from 60 experimental studies and found that infected animals were more likely to die when exposed to higher temperatures.
A new study highlights the importance of protecting Earth's oldest and wisest creatures due to human intervention. These individuals provide unique biological functions and ecological knowledge, essential for ecosystem services.
An international team of researchers successfully created a mouse using genetic tools from a unicellular organism, challenging the notion that these genes evolved exclusively within animals. The study uses ancient genetic tools to reprogram mouse cells into pluripotent stem cells.
Researchers from ETH Zurich developed an AI-powered method for mouse behavior analysis, reducing the need for more animals while maintaining meaningful results. The new approach focuses on transitions between patterns of behavior, providing a single, robust statistical value.
A majority of respondents ascribed emotions to most non-human primates, mammals, birds, cephalopods, and fish. The survey also explored the risks of anthropomorphism and anthropodenial in animal behavioral research.
Researchers developed a cheap Bluetooth beacon to track animals in urban areas using mobile phones. The device provides regular updates on animal movements and social networks, helping unlock secrets of urban wildlife.
A new study offers insight into how some colony-forming animals, like ants or bees, may have evolved their own system for divvying up work millions of years ago. Bryozoans, small aquatic animals, discovered to have evolved unique abilities after losing feeding ability, survived by sharing resources with other members of the colony.
Researchers trained an AI model on goat faces in pain, achieving 62-80% accuracy. This technology may help clinicians treat pain effectively in patients who cannot speak. The goal is to develop a more generalizable system for pain assessment in animals and eventually humans.
A new study suggests that quieter zoo experiences can enhance visitors' understanding of animals and their habitats. By promoting silence, zoos can offer a more enriching experience for humans and non-human residents alike, while also restoring their original purpose as quiet spaces for contemplation.
A recent study found that color vision evolved in animals over 100 million years ago, with a dramatic increase in colorful signals, including warning and sexual signals. The study suggests that warning signals are more widespread among animals than sexual signals.
Ecologists argue that ethanol is naturally present in nearly every ecosystem and likely consumed by most fruit- and nectar-eating animals. This consumption could carry benefits for wild animals, such as a source of calories and potential medicinal benefits.
A study by University of Potsdam researchers analyzed the data of 1585 wild animals fitted with GPS collars, finding that 30 species changed their behavior significantly after release. The animals generally recovered within four to seven days, with larger ones and those in human-influenced habitats returning more quickly.
Researchers used cutting-edge molecular biology tools and GPS tracking data to determine the dietary habits of different animal species in Yellowstone. They found that feeding behaviors depend on body size, with smaller species diversifying their diets in summer and larger animals competing for resources in winter.
Researchers validated infrared thermal imaging as a non-invasive tool to assess reindeer stress during human interactions. Thermal imaging cameras detected temperature changes in the eye corner, indicating stress, without causing physical harm to the animals.
Researchers found a choanoflagellate harboring its own microbiome, forming colonies that enclose bacteria and exhibiting a unique symbiotic relationship. This discovery sheds light on the origin of interactions between animals and bacteria in ancient oceans.
By 2070, human-wildlife overlap is projected to increase in about 57% of global lands, primarily due to expanding human populations. This shift will lead to more conflicts between humans and animals, highlighting the need for conservation efforts.
A WVU biologist is studying how genes establish animal body plans and contribute to regenerative abilities. He has identified Hox genes as key players in planarian regeneration, suggesting their functions may differ in highly regenerative versus poorly regenerative organisms.
Researchers have discovered a non-memory-based mechanism for animals to cache and retrieve food, challenging long-held beliefs about animal cognition. The proposed mechanism uses neural networks similar to hash functions, allowing for efficient storage and retrieval of cache locations.
A Dartmouth study suggests that social rank determines whether animals prioritize short-term energy consumption over long-term health, with dominant monkeys consuming food quickly to maintain dominance, while lower-ranked monkeys invest time in washing their food to prevent tooth damage. The findings shed light on the disposable soma h...
A Kobe University research team found that insects, specifically camel crickets, act as primary consumers of fruit and dispersers of dust-like seeds. The study confirmed the importance of insects in seed dispersal for light-harvesting plants.
Researchers studied pterosaurs' takeoff mechanism, finding they likely used all four limbs like modern bats. The study provides new insights into how these large animals achieved flight despite their massive size.
Researchers at Hiroshima University have identified genetic signatures of domestication in pigs and chickens, revealing changes in gene expression related to immune response, stress response, and energy metabolism. These findings provide insights into the genetic basis of domestication and highlight potential candidate genes for breedi...
A new study at Tel Aviv University found that geckos experience a sharp increase in metabolic rates when exposed to rocket explosions, leading to energy depletion. The researchers hypothesize that this stress response may apply to many other animals in conflict zones.
The research integrated zooarchaeological analysis with rock art depictions, showing a diverse diet and exploitation of various environments. The findings suggest that the artists did not just paint what they ate, but also represented complex mythology and supernatural connections.
Researchers found that rotifers acquire genes from bacteria and produce resistance weapons, such as antibiotics and antimicrobial agents. The team's findings suggest that rotifers could give important clues in the hunt for new antibiotics to treat human infections.
Researchers from SWPS University found that assigning individual characteristics to farm animals can change children's attitudes towards eating meat. In studies involving preschoolers aged 5-6, those who were given a name and unique habits showed increased desire to befriend the animal and decreased willingness to eat its meat.
A recent outbreak of highly pathogenic avian influenza A(H5N1) in Finnish fur farms resulted in severe disease and widespread inflammation in infected animals. The virus caused significant adaptations to mammalian hosts, increasing the risk of potential human infection.
A new study reveals that cows who are cuddled as therapy animals showed a strong preference for interactions with women when compared to men. Women also reported greater attachment behaviors towards the steers, suggesting a unique bond between humans and farm animals.
A recent study by TUM, University of Jena, and Vienna University of Technology shows that city residents generally accept most animal species in urban environments. The majority of birds, mammals, arthropods, lizards, and frogs are popular, while cockroaches, rats, wasps, slugs, and pigeons are less liked. Urban planning can balance hu...
An interdisciplinary team of scientists and engineers compared various aspects of running robots with their equivalents in animals, finding that biological components performed poorly compared to fabricated parts. However, animals excel in integrating and controlling these components.
A recent study by the Smithsonian has pushed back the earliest dated origin of bioluminescence in animals by nearly 300 million years, dating it to around 540 million years ago in marine invertebrates called octocorals. The ability to produce light is involved in various behaviors such as camouflage, courtship, and hunting.
A team of researchers developed an AI-powered computer vision model to detect Brazilian wild animals on roads and warn drivers in real-time. The system uses roadside cameras and portable computers to identify species such as anteaters, wolves, and tapirs, with the potential to save lives and reduce roadkill.
Researchers found that humans transfer viruses to domestic and wild animals at a rate twice that of animal-to-human transmission, highlighting the importance of monitoring viral exchange between species. This study's findings have significant implications for understanding zoonotic diseases and conservation efforts.
A global wildlife study during COVID-19 lockdowns found that animal responses to humans varied by landscape conditions and trophic group. Herbivores became more active around humans, while carnivores tended to avoid them.
Researchers discovered that wild animal hair undergoes seasonal changes to insulate against extreme temperatures. The inner microscopic details of the hairs change, allowing animals to survive in their environment.
A study published in Nature Communications found that the fastest animals are medium-sized, like cheetahs, due to a physical limit imposed by muscle contraction speed and shortening. This sweet spot size of around 50kg enables animals to reach speeds of up to 65 miles per hour
A study of human-animal co-burials from ancient Italy suggests that the practice may have been related to enduring companion relationships or religious beliefs. Researchers found that the people buried with animals did not share common traits, leaving multiple interpretations for this phenomenon.
Researchers have created the DEBBIES dataset to enhance understanding of cold-blooded animals' responses to novel environmental shifts. The dataset contains estimates of eight life history traits for 185 ectotherm species, allowing users to develop general predictions on animal responses using a few key characteristics.
Researchers found that ferrets infected with influenza or respiratory syncytial virus were more susceptible to lethal pneumonia when later infected with a measles-like virus. Experimental treatment with GHP-88309 prevented this outcome, suggesting a potential therapeutic option.
A new study published in Science found that eradicating non-native animals to protect plant species can be a flawed practice, costing millions and slaughtering healthy wild animals. The research compared the effects of native and introduced large herbivores on plant communities, finding no significant differences.
The study's findings highlight serious failures in animal welfare protection during transportation, with all countries falling short of guaranteeing adequate protection. The researchers propose updating the regulations to address major risk factors such as excessively long journeys and hot weather, drawing key future directions for new...
A new camera system records natural animal-view videos with high accuracy, enabling scientists to study animal behavior and navigation. The system uses four color channels, including UV light, to produce accurate video of how animals perceive colors.
A study of 379 animal studies found no consistent impact of aging on ejaculate traits, contradicting the human trend. In some species, age even improved reproductive traits, such as larger ejaculates and increased sperm viability.
Researchers developed a pipeline to evaluate the risk of infections by aquatic animals. The study found no evidence of human-associated viruses in aquatic animal transcriptomes, confirming their safety as protein sources. However, proper handling and storage are crucial to controlling SARS-CoV-2 spread through cold-chain food.
A recent study by the Complexity Science Hub found that at least two-thirds of animal COVID-19 deaths were not reported to official sources. The researchers compiled a comprehensive list of 35 animal species susceptible to SARS-CoV-2, highlighting the need for improved data exchange and reporting.
A team of scientists discovered that the Malvinoxhosan biota, a group of extinct shellfish, declined in numbers due to rising sea levels and warming climate. The research suggests that these changes led to a collapse in polar ecosystems, highlighting the vulnerability of environments to environmental shifts.
A study by Hokkaido University researchers has discovered a wide diversity of symbiotic, photosynthetic microalgae associated with small, worm-like animals called acoels. Acoels form relationships with single-celled microalgae, storing them below their outer surface and creating energy using sunlight.
Researchers found that specialized placozoan cells share similarities with neurons and may have given rise to them in more complex animals. The study sheds light on the evolution of neurons, focusing on the unique characteristics of these ancient creatures.
A study found that captive giant pandas living in zoos outside their natural latitude exhibit reduced activity, potentially impacting their wellbeing. The researchers monitored the behavior of 11 pandas at six zoos, finding that daylight and temperature cues played a crucial role in regulating their circadian clocks.
Researchers argue that equipping animals with sensors can provide valuable, localized data on environmental conditions impacted by climate change. The technology can help fill critical data gaps, particularly in remote areas.
Researchers in Namibia analyzed prehistoric rock art engravings of animal tracks and human footprints, revealing surprising details about the diversity of species represented. The findings suggest culturally determined preferences in the depiction of animals, with a preference for adult male footprints.