Animals
Articles tagged with Animals
Study provides detailed assessment of shifts in toxin producing phytoplankton abundance
‘Last titan’: Southeast Asia’s biggest dinosaur discovered
The life story of the critically endangered Rice's whale, estimated to have just 50 remaining adults, is evidenced in new analysis of the hormones it stores in its baleen throughout its life
How water fleas detect their predators
More selective breeding might help flat-faced dogs to breathe easier
Anglers and scientists partner to study British Columbia’s salmon food chain
Forest restoration and spotted owl conservation can work together, study finds
Dinosaur dental fossils reveal bird-like parental care bonds
Chilean wasp named in honor of Sir David Attenborough’s 100th birthday
Scientists describe new genus and species of parasitic wasp, Attenboroughnculus tau, found in Natural History Museum collections. The discovery highlights the scientific value of museum collections and showcases the unique characteristics of this rare subfamily.
AI cuts wildlife tracking time from months to days
Researchers at Washington State University and Google developed an AI system that can process hundreds of thousands to millions of camera trap images in just a few days, reducing analysis time from months to days. The results aligned with human experts' models in roughly 85-90% of cases, making it a significant breakthrough for conserv...
“Citizen scientist” high school teacher recorded 5 years of migration data for Black Skimmer birds in the Eastern US, documenting the farthest dispersal for breeding for the species
A high school teacher participated in a citizen science project to record migration data for Black Skimmers in the Eastern US. The study documents the farthest dispersal for breeding among this species, providing valuable insights into its movements.
How do climate extremes alter the behaviors of animal societies?
A new study on white-faced capuchin monkeys found that larger groups consume fruit at slower rates, especially during extreme climatic conditions. The monkeys expand their home range to access more foraging options and less-depleted food patches, offsetting the costs of internal competition.
Dog training choices reflect owners’ ethical views on animals
A new study finds that dog trainers' methods reflect their ethical stance on animals. Owners with an anthropocentric view are more likely to use punishment-based methods, while those with a focus on animal welfare opt for positive training methods. The study highlights the importance of considering ethics in dog training.
New building for animal navigation research at the University of Oldenburg
The University of Oldenburg is building a unique research facility to study animal navigation and magnetoreception. The NaviGate building will offer conditions worldwide for addressing current questions in animal navigation research, sensory biology, and neurosensorics.
FAU study reveals how camels ‘beat the heat’ at the cellular level
Researchers found that camels have a more flexible and coordinated response to heat stress, allowing them to maintain stability even at higher temperatures. In contrast, human cells tend to respond in a more rigid way, making them less adaptable under heat stress.
Environmental DNA in NYC’s East River reveals clues about nearby human and animal residents
Researchers used eDNA to monitor human diets and track local wildlife in NYC's East River, revealing the presence of domesticated animals and seasonal fish populations. The study found correlations between wastewater eDNA levels and human dietary patterns, providing a valuable tool for urban estuary management.
New experimental drug may restore movement after stroke
Researchers discovered that strokes cause a chain reaction within the brain, leading to neuronal cell death. They found that blocking collagen production can prevent this damage and even restore motor function in paralyzed monkeys. The new drug KDS12025 reduces hydrogen peroxide levels and prevents the entire process from being triggered.
Beavers leave a trail as they head into the Arctic
Researchers use tree rings and satellites to date changes beavers make to the tundra landscape as they spread northwards. The study provides evidence of beaver colonization in the region starting in 2008, with satellite analysis revealing a significant expansion of surface water between 2015 and 2019.
Community essential for native bats
Citizen science projects are expanding globally to study bat ecology and support conservation. Methods include acoustic surveys and observations, providing valuable insights into bat distribution and seasonal activity. Collaboration with community members is crucial for advancing understanding of bat ecology and informing habitat prote...
Wild gray bats adjust their echolocation calls based on the other bats in their flying group
Researchers analyzed a Virginia colony of wild gray bats, finding they modify their echolocation calls based on the size of their flying group and environmental obstacles. The study reveals how these adjustments help the bats navigate safely during flight.
Temperature extremes and variability might be worst for the most vulnerable baby birds - the youngest, smallest, and most neglected nestlings - per study of 113 baby barn swallows in Colorado
A study of 113 baby barn swallows in Colorado found that temperature extremes and variability negatively impact the youngest, smallest, and most neglected nestlings. The research suggests that developmental constraints play a crucial role in determining the effects of temperature on nestling growth.
Monkeys learn to self-medicate with soil to help them digest tourists’ junk food
In a unique behavior, monkeys on Gibraltar have learned to eat dirt to help them digest the junk food consumed by tourists, which disrupts their gut microbiome. The researchers found that geophagy is socially learned and has become part of the macaques' culture, with different troops having preferences for certain types of soil.
Study of gut microbes in black bears finds antibiotic-resistant bacteria
A recent study found that antibiotic-resistant bacteria are present in the gut microbiomes of American black bears in eastern North Carolina. The researchers also discovered that these pathogens can be dispersed through bear feces, making the bears a potential indicator species for environmental changes.
Elephant genomes reveal a past of continental connectivity and a future of increasing isolation
African elephants' genetic history shows they once moved across large distances, exchanging genes throughout the continent. However, current patchy habitats and human activities have led to genetic consequences of isolation, affecting conservation approaches.
Birds caught stealing from their neighbors
A new study reveals that birds in Hawaiian forests engage in kleptoparasitism, stealing materials from neighboring nests. The behavior, common among the scarlet I'iwi and crimson Apapane, could threaten species already under stress due to habitat loss and climate change.
Nature might have a universal rhythm
A new study suggests that many animal communication signals, including those from insects, birds, mammals, and fish, repeat at nearly the same tempo of 2 hertz. This common tempo may reflect a shared biological constraint, enabling brains to detect signals more easily and process communication more efficiently.
Cornell researchers document one of the largest known ground-nesting bee populations
A team of Cornell researchers has discovered a massive aggregation of ground-nesting bees, estimated to be over 5.5 million individual bees, in the East Lawn Cemetery. The discovery highlights the importance of these solitary bees as agricultural pollinators and adds credence to claims that cemeteries serve as preserves of biodiversity.
Smithsonian research associate discovers ants assemble to be picked clean by ‘cleaner’ ants, a novel insect behavior
Entomologist Mark Moffett observes harvester ants congregating with smaller cone ants in Arizona's Chiricahua Mountains. The unusual behavior involves the cone ants licking and nibbling the harvester ants' body surfaces, possibly consuming calorie-rich dust-size morsels.
Newly documented trophic relationship confirmed through video evidence of Adélie penguins
Adélie penguins have been found to consume shelled pteropods as an opportunistic prey, highlighting a previously underdocumented trophic relationship in the Southern Ocean. The study provides valuable insights into the penguins' foraging behavior and its potential implications for the ecosystem.
Tarantulas may use learning and memory to search for food and locate their retreats
Researchers observed tarantulas using spatial orientation to improve prey capture and retreat location, indicating possible learning and memory use. The study suggests that tarantulas' nervous systems support flexible behavior and may rely on internal body signals combined with environmental cues.
Study: Wildlife trade raises risk of disease spread to humans
A new study by University of Maryland researcher Meredith Gore and colleagues found that traded wild mammals are 1.5 times more likely to share infectious agents with humans than species not involved in trade. The risk is higher for animals traded illegally or sold live, which fuels the demand for exotic pets.
SoCal honeybees can fend off deadly mites
A new study from UC Riverside shows that a locally adapted population of SoCal honeybees can naturally suppress deadly mites. The hybrid bees are less susceptible to Varroa mite infestations and cross-thresholds, making them more resistant than commercial breeds.
Dog owners might struggle to recognize subtle signs of pain in their pets, with barely half of owners identifying symptoms such as nighttime restlessness and clinginess as likely indicating pain, in survey study
A survey study found that dog owners have difficulty recognizing subtle signs of pain in their pets. Only about half of owners correctly identified symptoms such as nighttime restlessness and clinginess as likely indicating pain.
Snow leopards, leopards and wolves in the Himalayas coexist in the same space by choosing different prey, per new study examining the lives of these apex predators
A new study examines the lives of apex predators in the Himalayas, finding that snow leopards, leopards, and wolves coexist by choosing distinct prey sources. The research highlights the importance of niche partitioning in facilitating the coexistence of these species in a shared space.
It takes a village for Lake Tanganyika fish
A team of researchers at Kyoto University found that cooperative breeding in Lake Tanganyika's lamprologine cichlids first emerged around 4 million years ago. The study reveals a link between cooperative breeding and smaller body sizes, as well as reduced clutch size.
Human touch leaves chicks feeling egg stra happy, study finds
Researchers at the University of Bristol found that gentle human interactions trigger positive emotions in young chickens. The study's results suggest that early-life handling can shape animals' affective experiences and improve their welfare.
100 million years ago, an ‘evolutionary fuse’ was lit in the deep ocean, sparking squid diversification
A new study from Okinawa Institute of Science and Technology (OIST) identifies the 'long fuse' that led to the diversification of modern squid and cuttlefish. The research suggests that these animals originated in the deep ocean around 100 million years ago, sparking rapid evolution after a mass extinction event.
Squirrels climb higher for better snacks
Wild grey squirrels show a preference for almonds over pumpkin seeds, even when they require a longer climb to reach. This suggests that animals may benefit from waiting or working harder for a better outcome in natural decision-making scenarios.
Oyster reefs off the US Atlantic coast remove more nitrogen and provide greater economic value than previously estimated, and their restoration may be effective in maintaining water quality and improving marine ecosystems
Restored oyster reefs in the US Atlantic coast remove more nitrogen from the water than previously estimated. Additionally, their restoration provides greater economic value for coastal communities, supporting sustainable marine ecosystems.
The polar bear ‘umbrella’: How protecting one species saves many
A new study reveals that protecting polar bear habitat naturally safeguards the resources they rely on to survive, providing critical benefits to the ecosystem. By analyzing tracking data from 355 bears, researchers identified a high-use area near Cape Churchill, Manitoba, highlighting it as a prime location for a Marine Protected Area.
Highly and casually active citizen scientists contribute equally valuable data
A new study finds that contributions from casual and highly active citizen scientists are equally valuable, with each group complementing the other. The research, led by Erin Grady, analyzed millions of observations on iNaturalist and found that both groups contribute to balancing biases in data collection.
Long-term road surveys reveal widespread declines in South African birds of prey
A comprehensive study reveals substantial declines in many South African raptor and large terrestrial bird species over the past 16 years. Researchers detected sharp declines in threatened and iconic raptors, including the Endangered Secretarybird, highlighting the vulnerability of species dependent on multiple regions.
It’s coyote puppy season. Here’s what you need to know.
Researchers tracked 48 urban coyotes and found that over half of their dens were in natural structures, while others incorporated human-related items to create strong, hidden shelters. The study highlights the adaptability and intelligence of coyotes, which play a crucial role in urban ecosystems as apex predators and ecosystem engineers.
New study clarifies how temperature shapes sex development in leopard gecko
Researchers investigated temperature-dependent sex determination in leopard geckos, finding that temperature influences sex development during a specific window of embryonic development. Early genetic changes, including the activation of male and female developmental pathways, occur before physical differences become apparent.
Microbial clues uncover how wild songbirds respond to stress
A study by Florida Atlantic University researchers has uncovered the impact of stress on wild songbirds, finding that even mild challenges can alter the gut microbiome, leading to changes in health indicators such as beak color and stress hormone levels.
Island birds reveal surprising link between immunity and gut bacteria
Researchers studied the Seychelles warbler's gut bacteria, finding that immune genes influence which microbes thrive, and that this relationship affects host health and survival. The study suggests a two-way relationship between immune genes and gut bacteria, with potential benefits for human health and disease prevention.
Climate extremes hinder early development in young birds
Research finds extreme cold and rain reduce young bird growth and survival, but earlier breeding can mitigate these effects. In contrast, hot extremes can boost growth by increasing insect activity and visibility.
3D-printed robotic rattlesnake triggers an avoidance response in zoo animals, especially species which share their distribution with rattlers in nature
A 3D-printed robotic rattlesnake triggered an avoidance response in zoo animals, particularly those sharing distribution with rattlers. The study found that the multimodal display of rattlesnakes is an effective deterring signal that works best with sympatric species.
Humans perceive and mimic the emotional expressions of non-human primates
A study published in PLOS One found that humans can recognize and mimic emotional expressions of non-human primates, indicating a strong empathetic response. The researchers assessed facial expressions and emotional states of participants, revealing a strong connection between humans and non-human primates
Veterinarians in Japan and the UK view animal welfare through different cultural lenses
A new international survey reveals distinct differences in how veterinarians and animal welfare scientists in Japan and the UK perceive animal welfare, particularly animal behavior. The study found that cultural values, such as Japan's interdependence-oriented culture and the UK's individualistic society, influence attitudes towards an...
Could ultrasound help save hedgehogs?
A new study reveals that hedgehogs can hear high-frequency ultrasound, up to 85 kHz, which could be used to design sound repellents for cars to deter them from roads. The findings suggest a potential solution to reduce hedgehog deaths, which are a major cause of road traffic accidents.
Snakes off the plane
Researchers discovered a simple strategy for snakes to stand upright without limbs, concentrating bending and muscle activity into a short boundary layer near their base. This approach reduces energy required while maintaining balance, offering design principles for soft robots and medical devices.
Share of migratory wild animal species with declining populations despite UN treaty protections worsens from 44% to 49% in two years; 24% face extinction, up 2%
The interim update to the State of the World's Migratory Species report warns that 49% of migratory species populations are declining, with 24% facing extinction, due to habitat loss and overexploitation. The report highlights the need for coordinated international action to address these threats and protect migratory species.
UMD entomologist helps bring the world’s ant diversity to life in 3D imagery
Researchers at UMD used AI and 3D imaging to accelerate the scanning and creation of 2,000 interactive ant models, reducing scanning time from 10 hours to a single week. The project, dubbed Antscan, aims to create a living library of interactive models corresponding to Earth's biodiversity.
Pig farm ammonia pollution may indirectly accelerate climate warming, new study finds
A new study reveals that ammonia released from intensive livestock farms can stimulate soil microbial processes that generate nitrous oxide, a powerful greenhouse gas contributing to climate change. The research highlights an overlooked pathway linking livestock pollution to global warming.
Bumblebees are efficient decision-makers
A recent study by the University of Konstanz investigated bumblebee decision-making behaviour, revealing that they take a 'shortcut' in information processing to save time. The insects primarily rely on flower colours to remember good food sources, but also recognize shapes and patterns.
Brown recluse spiders rare in Florida, reluctant to bite, USF study finds
A new USF study challenges long-standing assumptions about the brown recluse spider, finding it's far less common in Florida and exhibits a lower propensity to bite. The research also reveals that bites typically produce shallow wounds with minimal tissue damage.
Blaming beavers for flood damage is bad policy and bad science, Concordia research shows
A new Concordia research study refutes the notion that beaver dam failures can cause river flooding, arguing that failed dams had only a small effect on water levels downstream. The study found that natural conditions such as steep slopes and intense rainfall were more likely to cause damage.
Fast-paced lives demand faster vision: ecology shapes how “quickly” animals see time
A new study reveals that animal species with fast-paced ecologies have faster visual perception, tracking prey in mid-air versus grazing slowly across the seabed. This finding supports Autrum's hypothesis and highlights how ecology shapes the tempo of perception across life on Earth.