Articles tagged with Wildlife
A team of scientists found a 16-year-old European hedgehog in Denmark, exceeding the previous record by seven years. The discovery contradicts previous studies suggesting that inbreeding reduces lifespan. The study's results provide valuable insights into the basic life history of hedgehogs and may improve conservation efforts.
Researchers develop site-specific mitigation strategy for wind turbines, significantly reducing bat fatalities. The approach uses wind speed, temperature, and rainfall data to adapt curtailment strategies, resulting in a 86% reduction in bat deaths.
A genetic study reveals that the Eurasian lynx population in France is critically endangered, with a mere 38 healthy breeding individuals. The low genetic diversity poses a significant threat to the species' survival, and urgent action is needed to introduce new genetic material and protect the remaining population.
Researchers at the University of Pennsylvania's Working Dog Center trained dogs to distinguish between healthy and diseased deer feces. The dogs showed great specificity in detecting CWD-positive samples, suggesting a potential asset in managing the highly contagious disease.
Researchers found that nectar-feeding bats rely on extra-long whiskers to navigate flowers while feeding, providing enhanced spatial information. Clipping whiskers reduced agility but didn't impact feeding ability.
Researchers found that female caribou shed their antlers within days of giving birth, leaving behind a record of their annual travels across Alaska and Canada's Yukon. The study demonstrates how important the area is for an animal that native Alaskans and Canadians still depend on for sustenance.
Researchers used unconventional methods to study fruit fly phenotypes, finding that loss of epigenetic mark led to changes in behavior, gene expression, metabolism, and offspring production. This knowledge can aid in predicting ecological patterns of change in wild animal populations.
A study found white-tailed deer are harboring SARS-CoV-2 variants that were once widely circulated but no longer found in humans. The deer may have become infected through contact with humans, and the virus has adapted to the deer population, potentially making it more transmissible between them.
A new study predicts which invasive non-native species could pose a future threat to the UK's Overseas Territories, with Gibraltar and Saint Helena most at risk. The list includes species such as green mussels, little fire ants, and brown rats that could outcompete native species and alter unique ecosystems.
A recent camera-trap study by Alex Avrin and Max Allen found that the absence of pumas has a significant impact on ecosystems. Without pumas, coyotes fill the apex predator role but with less effect, leading to changes in prey populations and stream flows.
Researchers detected 230 online posts with possible jaguar parts for sale on 31 platforms, highlighting a growing threat to jaguar populations. The study also found that jaguar teeth were the most traded body part, with Mexico, China, Bolivia, and Brazil being major sellers.
Researchers found wolves in Alaska replaced deer with sea otters as their main food source within a few years. The wolf pack's diet changed dramatically, with sea otters making up 57% of their diet by 2017, while deer frequency declined to 7%.
Researchers found that pheasants are more likely to be killed by predators on unfamiliar ground, with 40% of the birds meeting their demise. The study suggests that experience within an area plays a critical role in determining survival rates.
A new Lancet Series argues that a 'One Health' approach is needed to prevent, monitor, and respond to public health emergencies globally. The series calls for greater investment in preventive and preparedness interventions, as well as greater representation of environmental organisations.
A study found that human presence in Glacier National Park causes 16 out of 22 mammal species to change their movement patterns, using different areas or being more nocturnal. The researchers suggest that this effect is significant enough to impact population survival.
A recent study found that DNA from domesticated chickens has been introgressing into the genomes of wild red junglefowl, leading to a loss of genetic diversity. The researchers estimate that wild birds have inherited 20-50% of their genomes from domestic chickens, which could make them less resilient to environmental changes.
Researchers found that echidnas blow bubbles from their nose to cool down, using the evaporation of moisture as an evaporative window. They also utilize flexible spines for insulation and lose heat through the spineless areas on their underside and legs, acting as thermal windows.
A study found that climate change threatens reproductive success of songbirds in California's Central Valley due to increasing rainfall and extreme heat. The researchers analyzed data from the Nestbox Highway project, which showed a decline in bird fitness amidst extreme precipitation or temperatures.
Researchers from Curtin University have identified six new plant species using photos shared on Facebook and iNaturalist. The newly described carnivorous sundews were discovered through images taken by nature enthusiasts and photographers, demonstrating the potential of citizen scientists to contribute to advances in taxonomic research.
The study reveals diverse retroviruses in mouse lemurs, closely related to viruses in polar bears and domestic sheep, suggesting ancient infections. The discovery of endogenous retroviruses in these species provides new insights into the complex history of retroviral transmission among mammals.
A study by Colorado State University found that over 10% of adult female golden-mantled ground squirrels are killed annually along rural roads in the Gunnison Valley. The researchers suggest reducing personal vehicle numbers and using digital signs to alert drivers, as males are also vulnerable during mating season.
Researchers studied deer and elk behavior around a wildlife tunnel, finding they were less likely to use the crossing after displaying a 'vigilant' response to passing vehicles. The study suggests designers should focus on animals' perceptions of their environment when building wildlife crossings.
Researchers analyzed audio and motion-triggered video recordings to understand bird collisions with windows. Faster flights at angles of approach closer to perpendicular were more dangerous for birds.
Researchers found that wooded areas, cropland, roads, and housing developments are obstacles to snake relocation. Reconnecting fragmented populations through strategic habitat changes could help restore the species to a thriving state.
A new study synthesizes years of research on monarch habitat, finding that establishing habitat near crop fields with insecticide use will support breeding generations and increase population growth. The study suggests a 100-125 feet buffer is essential to add conservable land.
Researchers analyzed coyote diets and movement in Cape Breton Highlands National Park to determine why a lone hiker was attacked. The study found that coyotes relied on moose due to resource scarcity, adapting their behavior to exploit this unusually large food source.
A high-throughput analysis of 26 medically important snakes in sub-Saharan Africa reveals the benefits of an integrated approach to understanding their venom composition and function. The study provides a solid foundation for further research on snake biology and antivenom development.
A new study reveals that bat diversity is highest in old deciduous forest stands on river banks in Eastern Ukraine. The research found that mature forests older than 90 years improve breeding activity and abundance of bats, with species richness increasing up to 22% of all forests in the region.
A new study by Michelle Szydlowski from the University of Exeter warns that rhino conservation efforts in Nepal are putting a burden on communities, infrastructure, and other species. The study found that successful anti-poaching campaigns have increased tourist numbers and rhino populations, but also led to human and animal casualties.
Researchers analyzed 2.3 million camera-trap photos of tropical mammals, revealing consistent daily activity patterns across continents. Body size and diet are key factors influencing activity, with larger animals active during the day and smaller ones at night.
A novel technique using stable isotopes can accurately determine whether wood turtles are wild-caught or captive-bred, helping combat the illegal pet trade. The method was tested on 71 turtles and achieved a success rate of over 97%, providing conservation law enforcement officials with a valuable forensic tool.
A study by the Leibniz Institute for Zoo and Wildlife Research found that cheetah marking trees serve as hotspots for communication among multiple mammalian species. These trees were visited more frequently by some species, such as black-backed jackals and warthogs, suggesting they gain important information from the scent marks. In co...
A new study published in Drones found that drones emit more noise than visual impact, causing behavioral changes in large terrestrial mammals. The Asian elephant was particularly sensitive to low-frequency sounds, highlighting the need for drone safety regulations.
Great gray owls have a broad disc-like face that acts as radar to find food, while their facial features help correct for sonic distortions caused by snow. The owls' ability to hover above prey allows them to pinpoint location and avoid acoustic mirages created by the snow.
Researchers used Instagram to measure the pressures of tourism on loggerhead turtles in Zakynthos, Greece. The study found that social media can be a useful tool for conservationists to monitor wildlife viewing pressure and prevent lethal propeller injuries.
A new study reveals that standard goose harassment efforts are ineffective, especially in winter when birds should be most susceptible to scare tactics. Canada geese return to their territories despite harassment, prioritizing access to resources over energy conservation. The research team found that geese adapt to urban environments, ...
Great bustards prefer to eat plants with chemical compounds that kill pathogens in vitro. Corn poppies and purple viper's bugloss contain antiprotozoal and nematicidal compounds, as well as antifungal agents.
A University of Maryland study found that domestic cats in Washington D.C. have a high probability of overlapping with native wildlife, including raccoons and opossums, increasing the risk of disease transmission and harming native populations. Keeping cats indoors can significantly reduce these risks.
Researchers have detected five emerging tick-borne pathogens in Central Canada, including those causing Lyme disease and babesiosis. Climate change and habitat fragmentation contribute to the spread of these pathogens, highlighting the need for increased awareness and protection measures.
Researchers found that habitat loss and climate-induced food shortages drive pathogen spillover, but preserving and restoring natural habitats can prevent these events. By analyzing data from Australia, the study predicts when viruses like Hendra and Nipah will spill over from bats to humans.
Researchers have discovered that the flight patterns of birds can be used to estimate fine-scale environmental conditions and turbulence levels. The team measured bird altitude and motion using GPS and data loggers attached to pigeons, finding a correlation between the birds' behavior and turbulence strength.
A new study reveals how cane toads (Rhinella marina) consume prey by using a complex pulley system of cartilage and muscle. The mechanism involves the hyoid plate, which is attached to muscles and loops like a marionette, pulling food backward into the throat.
Researchers developed a pedigree for aquarium-bred corals, revealing relationships between individuals and identifying genetic differences. The study provides insights into maximizing genetic diversity and adaptability in corals bred for conservation, crucial for their resilience to threats like ocean warming and acidification.
Researchers found that acoustic monitoring alone is insufficient for large wind turbines, emphasizing the need for carcass searches and additional ultrasonic detectors. Uneven bat distributions can lead to incorrect curtailment times, putting many bats at risk.
A team of Berlin scientists has successfully grown stem cells and mini-brains from Sumatran rhino skin cells, paving the way for potential use in assisted reproduction. The next step is to create sperm cells that may help save the critically endangered species from extinction.
Researchers found distinct gut microbiomes in wild marten from pristine and heavily impacted areas, highlighting a tool for assessing ecosystem health. The study's findings suggest that human disturbance affects carnivores' diets, reflected in their gut microbiomes.
A study by the University of Washington suggests that adopting permanent daylight saving time would decrease deer-vehicle collisions due to brighter evening skies. The researchers estimate a reduction in 2.3% deer-vehicle collisions over a full year, potentially preventing 36,550 deer deaths annually.
Researchers found that permanent daylight savings time reduces deer-vehicle collisions by 16 percent, resulting in fewer animal deaths and human injuries. The study predicts that year-round DST could prevent up to 36,550 deer deaths annually.
A new study reveals that global warming can lead to an exponential increase in heat injury accumulation for ectothermic organisms, with temperatures exceeding their tolerance level resulting in severe injuries. The rate of heat injury doubles for each degree the temperature rises.
A new study found that bats play a crucial role in protecting young tree seedlings from insect damage, with three times fewer bugs and five times more defoliation when bats are absent. The research reveals a mutually beneficial relationship between bats and oak trees, with bats serving as a key predator for insects that harm the trees.
Researchers measured rhino horns from photographs taken between 1886 and 2018, finding a significant decrease in length across all five species. The decline is believed to be caused by intensive hunting, which has also led to a shift in human perceptions of rhinos from hunting to conservation.
Scientists have discovered a new species of scops-owl on Príncipe Island, characterized by its unique 'tuu' call. The population is estimated at around 1000-1500 individuals and is considered Critically Endangered due to habitat loss and the construction of a hydro-electric dam.
A collaborative study reveals periodic disappearances and reappearances of white-lipped peccaries across nine countries, with population fluctuations possibly representing the first documented case of natural population cyclicity. The study highlights the species' ecological importance as a keystone species in Neotropical forests.
Researchers found that 90% of surveyed individuals did not recognize six out of seven endangered species. Increasing public knowledge and recognition can boost conservation support for these vulnerable animals. The study highlights the need for targeted marketing initiatives to change people's perception of lesser-known species.
Researchers from Humboldt University of Berlin and Leibniz Institute for Zoo and Wildlife Research examined the facial motor nucleus of African and Asian elephants. They found more facial motor neurons than any other terrestrial mammal, with African savanna elephants having up to 63,000 neurons.
The study of Bronze Age Politiko-Troullia in Cyprus reveals farming practices for sheep and cattle. Analysis of animal isotopes indicates communal feasting on wild game like deer and pigs during special occasions.
Researchers created iPSCs from Okinawa rail, Japanese ptarmigan, Blakiston's fish owl, and Japanese golden eagle for conservation. The cells can differentiate into various cell types, providing a valuable resource for evaluating disease risks and pollution.
A recent study found that juvenile pied flycatchers in Europe can distinguish their own population's song dialects even at 12 days old. This ability is thought to aid in attracting mates and preventing learning other species' songs, highlighting the remarkable specificity of bird behaviors.
Researchers found that watching positive YouTube videos about sharks reduced fear and perception of intentional bites, shifting blame away from the animals. This can lead to increased support for pro-conservation responses and non-lethal shark management strategies.
Researchers found four species – tigers, elephants, wild boars, and clouded leopards – showing increased populations in areas with human infrastructure. However, deforestation still impacted some species, particularly clouded leopards.