Articles tagged with Wildlife
Scientists at UC Riverside have discovered a tiny worm species that can control crop pests in warm, humid environments. The new Steinernema adamsi nematode is nearly invisible and can kill insects with a low dose, making it a potential alternative to pesticides.
Researchers at the University of Sydney have developed a method to shield plants from herbivorous mammals by fooling them with artificial odors, mimicking plants they naturally avoid. This approach is more humane and low-cost than current methods, and shows promise for protecting valuable plants globally.
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.
Wildlife filmmaker Carlos Gauna and UC Riverside student Phillip Sternes observed a 5-foot-long pure-white shark pup shedding its embryonic layer. The location off central California's coast is proposed as a potential great white breeding ground, which could help protect endangered species.
A study of 370 documented cases found that almost half of hedgehogs injured by electric gardening tools did not survive. The data also show a growing conservation problem due to declining hedgehog populations in Germany.
Researchers have uncovered novel perspectives on domestic and wild cat evolution through the use of cutting-edge genome sequencing and assembly technologies. The study highlights distinct genetic changes that will aid in future disease studies and provide crucial information for those studying feline diseases, behavior, and conservation.
A study published in People and Nature found that large parts of the participants supported the return of wolves and elk to the Oder Delta region, with a strong appetite for rewilding initiatives. Locals, however, showed mixed feelings, with some reservations about the presence of large carnivores like wolves.
Researchers found that wolf spiders can't easily signal others or perceive danger from predators on rain-soaked leaves compared to dry ones. Male spiders use visual and vibratory signals for courtship, but vibrations are better received in dry leaves.
A study using infrared cameras found that high air and ground temperatures limit numbats' ability to forage in the sun, forcing them to retreat to the shade. Climate change may also make the shade too hot for numbats to survive.
Scientists have developed a method to study bobcats using only their pawprints, allowing for extensive data collection and analysis of ancestral background and microbial communities. This technique has the potential to inform better management and conservation of rare or endangered species.
A new study has provided critical information for improving koala care during subsequent fire seasons. Koalas affected by the Australian bushfires were found to have severe footpad burns and lung damage due to smoke inhalation, hindering their tree-climbing abilities and escape from fires.
Researchers found that captive-bred Egyptian vultures improved their flight skills faster than those raised in the wild. The study suggests that early life experiences have a lasting impact on animals' ability to cope with challenging periods like migration.
A new study reveals that landfills in Chile's Loma Los Colorados host the largest known aggregation of Andean Condors. The birds' numbers are linked to food availability in the surrounding landscape and fluctuate with livestock movements. Landfill management is crucial to support condor conservation.
A new study led by Dr. Tyler Frankel has identified cancer-causing contaminants in sediments and fish in a Chesapeake Bay tributary, highlighting the importance of considering exposure pathways in conservation strategies.
Two new tarantula species have been discovered in Ecuador's wilderness, but they are already threatened due to habitat destruction and human activities. The implementation of protected areas is essential to conserve these endangered species and prevent further extinction.
A new method can help estimate the prevalence of disease in free-ranging wildlife by accounting for animal clustering. This approach may reduce the number of samples needed to detect a disease. The researchers focused on Chronic Wasting Disease (CWD) in deer, which tends to cluster in family groups, making this method particularly useful.
Researchers used genetic information from 104 aardvark poop samples to study their distribution and movement across the African landscape. They found regional divisions and larger home ranges, but also restricted movement through arid areas due to climate change.
Researchers discovered that reindeer's vision evolved to spot Cladonia rangiferina, a type of lichen, during winter. This adaptation allows them to conserve energy by finding food from a distance, making it easier to survive in cold environments. The study provides new insights into the extraordinary visual system of reindeer.
A new study from Utah State University reveals that geese have a greater impact on Arctic ecosystems than previously thought, while reindeer only exert a smaller influence. The research found that goose grazing in concentrated patches leads to significant reductions in plant biomass and soil compaction.
A new study has overturned conventional wisdom on wild turkey nesting survival, revealing that precipitation levels during nesting season are not related to reproductive success. The researchers found that temperatures above historical averages were associated with higher rates of daily nest survival during incubation.
Researchers have developed a noninvasive method to quickly detect the deadly fungus Batrachochytrium salamandrivorans in shipments and captive settings. The new approach tests environmental DNA for Bsal DNA to assess the pathogen's prevalence, providing a way to make an essentially invisible pathogen visible.
A new study reveals that female American Kestrels venture away from their nests to scout future territories, a behavior previously undocumented in the species. These movements, which cover large distances relative to home range size, suggest that females may be holding multiple summer homes and using better habitat after breeding.
Researchers found that honeyguides in Tanzania and Mozambique discriminate among human calls, responding more readily to local than foreign calls. This complex communication system benefits both species by increasing their chances of accessing calorie-dense honey and beeswax.
In parts of Africa, humans communicate with greater honeyguides to locate bee colonies, sharing knowledge about the location of nests. The bird benefits by eating leftover honeycomb, while people gain access to honey and beeswax. Researchers found that honeyguides learn distinct vocal signals used by different honey-hunting communities.
Researchers found that Eurasian jays settle for less preferred food options when rivals are present, while New Caledonian crows consistently choose the better, delayed reward. The study suggests that species' social tolerance and competition levels influence self-control in animals.
Researchers analyzed skeletal remains of ancient Egyptian baboon mummies from the site of Gabbanat el-Qurud, finding lesions and deformations indicative of malnutrition and lack of sunlight. The findings provide insights into how baboons were kept in captivity before their eventual mummification.
Scientists have developed a new tool to track and study polar bears using DNA analysis of skin cells shed in their footprints. This method allows for the monitoring of threatened animals without stressing or harming them.
A new study compiled over 600,000 records from US and Canadian wildlife rehabilitation centers to investigate the threats facing more than a thousand species by region, highlighting human activities such as climate change and extreme weather events
The study found that England's only resident population of bottlenose dolphins has declined to just 48 individuals due to various human impacts. The researchers call for urgent measures to protect the population and its habitats.
A major global study found that animals are being pushed to their physical limits as they struggle to adapt to rising temperatures sparked by human-caused climate change. This is leading to widespread displacement, particularly among marine life that will be forced to abandon their habitats in search of cooler pastures.
Researchers investigated the effects of megafires on California's wildlife habitat, analyzing over 600 species. They found that high-severity fires impacted 100 species, with 16 considered conservation concern, yet some species may find refuge in unaffected habitats.
A study by Colorado State University found that redlined communities experience higher maximum noise levels, detrimental effects on urban ecosystems, and increased human health risks like hearing loss and stress. The research highlights the need for equitable planning and noise mitigation to benefit both people and wildlife.
A team of researchers used trail cameras and GPS collars to track the effects of Cyclone Idai on Gorongosa National Park's mammal community. They found that body size was a key predictor of survival, with smaller animals more vulnerable to the storm's impact.
A team of scientists from the Leibniz Institute for Zoo and Wildlife Research found that grey wolves' habitat selection changes during recolonization in Germany, moving from early-stage 'cherry-picking' to late-stage less-selective choices. This shift affects predictions of wolf distribution and expansion in the country.
Researchers found rabies virus variants closely related to those in White-tufted marmosets in bats, highlighting potential for human transmission. Genetic sequencing revealed complex spillover dynamics between hosts, emphasizing the need for public health measures and animal conservation.
A new deep learning AI tool called ECOGEN has been developed to generate lifelike bird sounds, enhancing the samples of underrepresented species. This allows for improved bird song classification accuracy and contributes to the conservation of endangered bird species.
Researchers observed Canada goose flocks before and after a population-management cull, finding that the birds strengthened existing relationships rather than forming new connections. This social conservatism helps reduce the potential for increased disease transmission.
A new conservation tool, Lion Localizer, helps authorities track the origin of illegally traded lion parts by analyzing mitochondrial DNA. The tool provides critical information on population impact and resource allocation, supporting efforts to protect tiny West African lion populations.
Researchers tracked endangered thick-billed parrots using solar-powered satellite transmitters, revealing new critical habitat and migratory routes. Less than 20% of the newly identified habitat is protected from timber industry, highlighting the urgent need for conservation efforts.
A new five-year research project combines AI, virology, and ecology to anticipate future SARS-CoV-2 strains that could pass between animals and people. The team will use artificial intelligence to predict variants and assess risk of spillover from people to wildlife.
A new analysis of European Red List species reveals that 19% are at risk of extinction, including a large proportion of invertebrates. Agricultural land-use change poses a significant threat to these species, highlighting the need for conservation efforts to counter biodiversity loss.
A new study found that mountain lions avoid areas with artificial light, even during the day, which can impact their habitat selection and distribution. The research adds to concerns about the species' extinction within decades due to human activities.
A global study reveals that regions with abundant large herbivores have a more variable tree cover, benefiting biodiversity. This finding highlights the crucial role of megafauna in shaping ecosystems and underscores the need for conservation strategies to protect these species.
Researchers found that chimpanzees are more likely to climb hills when heading towards contested borders, where they can quietly rest and hear distant sounds of rival groups. This behavior suggests that chimpanzees gauge the distance of rivals and act accordingly to avoid costly fights.
Researchers studied over 100 noctilionoid bat species, finding that different dietary types drove modifications in tooth number, size, shape, and position. For instance, fruit-eating bats have shorter jaws with reduced middle premolars, while nectar-feeders have longer jaws with room for more teeth.
A study in sustainable-use reserves found local game species abundance decreases about 5 kilometers from nearest human community. Human impact on biodiversity is mitigated by management strategies, supporting community-based wildlife management for food security and conservation.
A new study by Princeton researchers reveals widespread illegal hunting in China, resulting in the loss of over 20% of native species, including endangered ones. The study estimates that at least 28% of China's terrestrial vertebrate species may have been taken during the six-year period.
Researchers investigating sihek health have found that female birds are at greater risk for death and disease than males. The study also highlights reproductive diseases as a major threat to the species' survival, with females succumbing to these diseases more frequently.
A study led by primatologist Gisela Kopp identified the Horn of Africa as the region of origin for ancient Egyptian mummified baboons. Genetic analysis and comparisons with historical records linked Punt to Adulis, suggesting two names for the same place used at different times.
Researchers discovered a bacterium, Bisgaard taxon 45, responsible for the deaths of six elephants in Zimbabwe and possibly more in neighboring countries. The finding highlights infectious diseases as a threat to endangered African elephant populations.
A study published in Ecology Letters reveals that global precipitation patterns, particularly seasonal variability, shape animal diversity. The research found that certain regions with moderate precipitation levels and stable climates have the ideal ecological conditions for a diverse range of predators and herbivores.
Researchers found 13 mummified leaf-eared mouse cadavers atop 4-mile-high volcanoes, with DNA analysis revealing a distinct population from lower-altitude mice. The discovery suggests the rodents ascended without human assistance and have adapted to extreme conditions.
Archaeological findings suggest that First Nations people buried dingoes alongside humans, indicating a close relationship and almost-human status. The care taken to bury the animals reveals a diet heavily influenced by human scraps, highlighting substantial relationships between humans and dingoes prior to European colonization.
Researchers will study the spread of SARS-CoV-2 among deer, including captive and wild populations, as well as its relationship with humans and the environment. The project aims to understand disease ecology in whole systems and inform better management practices for deer producers.
A new study examines the life expectancy and lifespan equality of four marine mammal species in zoos and aquariums compared to their wild counterparts. The study found that marine mammals live longer in captivity, with a three-fold increase in life expectancy and a decline in deaths in the first year of life.
Researchers found that neutral genetic diversity correlates with functional genetic diversity in Eastern massasauga rattlesnakes, suggesting a more efficient approach for species conservation. This discovery has implications for endangered species conservation, as it may not be necessary to sequence entire genomes for all cases.
A new study suggests that individual animals, like Lua the Antillean manatee, can be used as flagships to encourage engagement and behavioural change in conservation. These charismatic species often have unique characteristics that make them appealing to humans and can inspire policy changes.
A study from North Carolina State University tracked 16 rehabilitated turtles to monitor their long-term survival and health. The researchers found that turtles moved an average of 100 yards between observations, with some individuals traveling much farther than expected.
The American Ornithological Society (AOS) has awarded four $15,000 Kessel Fellowships to support the research of Dr. Lucia Mentesana and three others focused on conservation, behavior, evolution, and ecology. The fellowships aim to advance ornithology globally by funding innovative projects.
A recent study by the University of Melbourne found that severe bushfires followed by heavy rainfall are causing platypuses to abandon their homes. The research used environmental DNA sampling to track platypus movement before and after the 2019-2020 megafires, revealing a significant decline in platypus populations in affected areas.