Articles tagged with Wildlife
Researchers will investigate greenhouse gas exchanges, permafrost thawing, and wildlife habitat changes in the Arctic Boreal Vulnerability Experiment (ABoVE). The study aims to better understand the ecological impacts of climate change on forests, wildlife, and communities in Alaska and northern Canada.
A research team used ancient-DNA analysis and radiocarbon dating to reconstruct population histories for prehistoric seabirds in New Zealand. They found that mainland populations were rapidly decimated after human arrival, while Stewart Island populations remained relatively stable due to a decline in human numbers.
Scientists at Australian National University have developed a world-first radio-tracking drone to locate radio-tagged wildlife. The system has successfully detected tiny radio transmitters and has been tested by tracking bettongs at the Mulligan's Flat woodland sanctuary.
A study by Penn State researchers found that climate change will reduce the availability of cold water habitats for wild brook trout, leading to fewer angling opportunities. The study projected a significant increase in driving distances for trout fishermen due to warming waters.
Researchers found that species with varying color drawing are generally more numerous and fluctuate less in number from year to year. This could help explain why some insect species cause substantial damage in agriculture and forestry, as their population fluctuations were not synchronised among different species.
Researchers found that bears' heart rates increase significantly when exposed to unmanned aerial vehicles, a sign of acute stress. Despite the calm behavior observed in encounters with UAVs, the physiological response is notable, with one bear's heart rate increasing by up to 400 percent.
A new study led by UC Berkeley researchers found that clearing non-crop vegetation around farms does not lower pathogen levels in produce. Instead, diverse habitats can encourage pollinated food crops and filter out agrichemical runoff.
Researchers used virtual reality to test roadside animal detection systems and found that picture-based warning signs outperformed text-based ones. Drivers who received warnings reduced their speed and braking time in response to a simulated wild animal on the road.
Researchers found that multidrug-resistant bacteria were widespread among African wildlife, including species with high exposure to antibiotics through diet. These findings suggest that wildlife may serve as sentinels for antimicrobial resistance in ecosystems, providing clues to the spread of resistant microbes.
Researchers are developing a cancer vaccine to combat Devil Facial Tumour Disease (DFTD), a contagious cancer killing Tasmanian devils. The vaccine aims to save the species by targeting proteins unique to the tumour cells, with hopes for eventual release into the wild.
Researchers found that just ten diseases account for around 50% of all published knowledge on diseases at the wildlife-livestock interface. The study emphasizes the need for sustained investments in research to evaluate risks and improve responses to disease epidemics in animals and humans.
A team of wildlife experts has successfully revealed the black leopard's spots using a modified infrared flash on automatic camera traps, allowing scientists to study and monitor this unique population. The research provides a new tool for conservation efforts, which are critical due to widespread poaching and habitat loss in Malaysia.
Researchers developed a clustering-based image segmentation approach for accurate elephant recognition in infrared images, achieving a 95% recognition rate. The algorithm could serve as the basis for detecting and preventing wild elephants from crossing forest borders and entering villages.
Researchers found worm infection in parent birds or nestlings impacts most on others in their family group, affecting survival rates and breeding success. The study's findings could have important implications for the conservation of wild animals under threat.
A study reveals hydroelectric dams, such as the Balbina Dam in the Amazon rainforest, have severe effects on biodiversity. The creation of large lakes has led to widespread loss of mammals, birds, and tortoises on island habitats.
A new $20,000 grant from the National Geographic Society will support Chan Kin Onn's research on revealing the hidden diversity and riverscape genetics of reptiles and amphibians in Malaysia. Through genetic analysis and ecological niche modeling, Chan aims to catalog and conserve species threatened by habitat destruction.
A study published in PLOS ONE found that the Hawaiian hoary bat migrated to Hawaii from the Pacific coast of North America in two separate waves over 9,000 years apart. This genetic history suggests that the current legal protection may be inadequate or misdirected, highlighting the need for updated conservation efforts.
A team of researchers used GPS technology to track the movements of wild olive baboons, finding that certain individuals act as initiators and pull followers in a particular direction. The study suggests that shared, democratic decision-making is widespread even among species with highly stratified social hierarchies.
A University of South Florida study confirms the dilution effect hypothesis, suggesting biodiversity loss poses a public health threat by causing disease outbreaks. The research found broad evidence that species-rich communities suffer less infectious disease, implying maintaining biodiversity could reduce parasite abundance.
A study found that about 3% of critically endangered smalltooth sawfish are products of virgin births, with no genetic diversity loss. Researchers hope this discovery may help save the species from extinction due to overfishing and habitat loss.
New research highlights the need for improved monitoring of supply and demand in CITES to inform interventions addressing demand and promoting social responsibility. The study emphasizes the importance of understanding markets and addressing socio-economic drivers to effectively conserve trade-threatened species.
Researchers have developed a new method to identify where poachers operate in protected areas, providing spatial maps of illegal activities. The analysis reveals consistent poaching hotspots that can inform more efficient ranger patrols.
Researchers from the University of Missouri and USGS found that atmospheric releases of Bisphenol-A (BPA) can elevate its levels in nearby surface waters, threatening aquatic species and humans. BPA concentrations were up to ten times higher near known atmospheric release sites, indicating a potential novel route of exposure.
New research on gray wolves in Yellowstone National Park reveals that social group living can offset mange's effects, increasing survival rates. Living in packs also provides a net survival benefit, even when infected individuals are present.
Market-driven 'zero deforestation agreements' have significantly influenced the behavior of ranchers and slaughterhouses, leading to lower deforestation rates among supplying ranches. However, challenges remain to achieve zero-deforestation for beef production, with many ranchers able to bypass the agreements.
The presence of conservation research projects limits chimpanzee and gorilla poaching, while community involvement boosts the value of apes and forests to local people. This study highlights the effectiveness of small-scale conservation efforts in protecting wildlife.
A new study suggests that fencing in dryland ecosystems may disrupt migration pathways and reduce wildlife populations. Conservationists are calling for policies to evaluate the effectiveness of fences in protecting wildlife and balancing human interests.
A study led by Princeton University researchers found that bird species with increasing prices and decreasing availability exhibited plummeting populations in the wild. Market monitoring can be done more quickly and cheaply than field-based monitoring, making it an effective tool for conservation.
A US Forest Service-led study found that 195 out of 201 bird and mammal species in northwest Alaska could face habitat loss or gain due to climate change. The research projects up to 52% of species may experience habitat expansion, while 45% will see contractions.
A study by University of Georgia ecologists found that supplemental feeding can affect the spread of infectious diseases in wildlife, with some pathogens increasing transmission and others reducing it. The study provides practical suggestions for wildlife disease management and a roadmap for future research.
A 10-year study on tiger DNA has provided new insights into the genetics of tigers, allowing for more effective conservation strategies. The research found that extinct subspecies are nearly identical to surviving ones, providing powerful tools for forensic identification and management.
High-ranking spotted hyenas have longer telomeres and better overall health compared to subordinates, according to a new study. The research suggests that social rank plays a significant role in aging and stress in wild mammals.
A new study by Clemson University and Cornell University found that birdwatchers are about five times as likely to engage in wildlife and habitat conservation as non-recreationists. Hunters were also found to be four times more likely to participate in conservation efforts. These findings suggest a strong connection between wildlife re...
A Gombe Stream National Park study reveals that people are likely exposing endangered primates to Cryptosporidium, a parasite that may be contributing to their decline. The researchers found that some chimpanzees are infected with a species of Cryptosporidium associated with pigs, suggesting cross-species contamination.
A University of Kent study reveals supplemental feeding improves Mauritius parakeet brood productivity, but increases disease susceptibility. Long-term monitoring highlights the importance of evidence-based conservation strategies.
A UCSB ecologist examines how human disturbance affects landscape and wildlife, revealing links between conservation and human health. She finds that land-use change increases plague transmission by moving rodents closer to human habitats, while environmental conditions affect flea infestations.
A new study reveals that climate change is affecting male and female yaks differently, with females shifting to steeper terrain in search of snow for milk production. The research team analyzed historical data and recent observations to find that females are 20 times more likely to be found near snow patches than males.
A study published in Journal of Applied Ecology found that fully protected 'no-take zones' would have greater benefits for wildlife and fisheries than limited-take zones. Researchers propose a compromise between no-take and limited-take zones to balance ecological and economic objectives.
A new study found that hormone-disrupting chemicals, such as clotrimazole, can skew sex-ratios in zebrafish towards males, increasing the risk of extinction for endangered species. Climate change amplifies these effects, particularly in warmer water temperatures.
Researchers found that Reduced-Impact Logging (RIL) has little effect on bird, bat, and large mammal populations in Central Guyanese rainforests. RIL is a cost-effective option for timber companies to ensure long-term sustainability of biodiversity-rich tropical forests.
A new study reveals that media portrayals of monkeys in human settings increase their desirability as pets and alter public perception. The research, published in PLOS ONE, suggests that such images change the way people perceive these species from wild animals needing conservation help to those suitable as household pets.
A study by University of Oxford researchers exposes shortcomings in the 'index-calibration' method used in tiger and rare wildlife surveys. The team found that this approach can produce inaccurate results, especially with high uncertainty in detection rates. They suggest alternative methods to improve conservation efforts.
The Arizona State University-SoilCarbon Nation team is examining the adaptive multi-paddock (AMP) grazing management technique to compare its effectiveness with conventional, continuous grazing methods. This approach aims to sequester atmospheric carbon dioxide while improving ranch ecosystems and wildlife habitat.
Researchers have gathered rare photographs of the critically endangered Saharan cheetah, shedding light on its elusive behavior and habitat requirements. The study's findings suggest that these large cats are more nocturnal, wide-ranging, and occur at lower densities than other cheetahs in Africa.
Researchers identified 32% of parasites found in rats also infecting humans, highlighting the importance of habitat overlap and species relationships. The study developed a new modeling approach to forecast parasitic infections and disease emergence globally.
Researchers found that reclaimed oil and gas well pads in Colorado lack the patchy soil patterns that support sagebrush recovery. This uniformity can make it harder to reestablish big sagebrush, a critical component for diverse wildlife species.
A recent study by MSU-led researchers found that oxygen-depleted dead zones between dams in the upper Missouri River are directly linked to the failure of endangered pallid sturgeon hatched embryos to survive to adulthood. This is a major breakthrough in understanding the decline of this species, which can live up to 100 years.
The study reveals that dam-induced changes in riverine sediment transport lead to reduced oxygen levels, causing hatched pallid sturgeon embryos to die. The research provides vital information for pallid sturgeon conservation and is a significant breakthrough in understanding the species' decline.
A recent survey in Beijing shows public inclination towards banning tiger products and supporting conservation breeding over farming. The study highlights the need to maintain suitable population sizes and handle dead individuals during breeding.
The study found that millions of dollars are spent annually on animal translocations to mitigate human interference, but outcomes are often poor and rarely monitored. Successful science-based translocations provide a model for improving mitigation efforts and achieving legislative goals for species conservation.
Researchers developed a model explaining how white-nose syndrome (WNS) kills millions of bats in North America. Bats infected with WNS use more fat and energy, leading to physiologic imbalances that can inhibit normal heart function.
A study published in EMBO Molecular Medicine suggests that contact between humans and virus-infected bats may have originated the Ebola outbreak in West Africa. The researchers found no evidence of larger wildlife being the source of infection, expanding the range of possible Ebola virus sources to insectivorous free-tailed bats.
A study published in Food and Nutrition Sciences found that neurological disorders among captive felids in the UAE are correlated with copper and Vitamin A deficiencies due to inadequate diets. Thirty percent of animals without supplements developed clinical signs such as ataxia and hind limb weakness.
A novel orthomyxovirus, Wellfleet Bay virus (WFBV), has been linked to cyclic mass mortality events in eider ducks on Cape Cod. The study found that WFBV is likely tick-borne and contributes to the deaths, but other factors such as parasitic worms and stress may also play a role.
Researchers at San Diego Zoo Global found that volunteers can accurately identify individual Andean bears after learning their unique markings. The study's success allows for citizen scientist engagement in species conservation, supporting the zoo's mission to bring endangered species back from extinction.
A new study reveals that citizen science projects increase environmental awareness, knowledge, and skills among participants, who often become advocates for conservation efforts.
Researchers found that killing wolves increases livestock depredations, with a 4% increase in sheep deaths and 5-6% in cattle deaths after one wolf is killed. The trend continues until 25% of the wolves are killed, leading to unsustainable livestock losses.
Research highlights the surge of infectious disease in northern latitudes, driven by climate change and close contact between species. The study also explores the use of accelerometers to track an animal's internal state, including emotions and diseases.
A study from Michigan State University found that concerns about wolf hunting are split more by social geography than physical geography, revealing the importance of social identity theory in understanding the divisive debate.
A new study shows that citizen science projects contribute to direct impacts on conservation, including shift in formal professions, initiation of new organizations, and influencing social circles towards the cause. Volunteer participation has also been found to increase knowledge and concern for wildlife rooted in science.