Articles tagged with Hunting
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A study by researchers at Technical University of Munich found that alternative shotgun ammunition materials containing copper and zinc can be highly toxic to water organisms, potentially threatening environmental protection. The study suggests a ban on these materials may be necessary to replace lead shot.
Inuit hunters in East Greenland report changes in their subsistence hunting patterns, polar bear ecology, and distribution due to climate change. They note more bears coming into towns, eating more seal parts, and using boats instead of dog sledges.
Research shows that human hunting has changed the relationship between mother bears and their cubs, causing mothers to stay with them for an additional year. This shift is attributed to the increased killing of females without cubs, forcing them to prioritize cub survival over reproductive efforts.
Three Asian water snake species use varying approaches to capture soft-shelled crabs, including Gerarda, which rips them into bite-sized pieces, and Fordonia, which targets tiny hard-shelled crabs. These adaptations enable the snakes to overcome prey size limitations.
Scientists have found that high carbon dioxide levels cause squid to bungle attacks on their prey, leading to a 20% decrease in successful attacks. This effect is observed in two cephalopod orders, pygmy squid and bigfin reef squid, which may have significant consequences for marine ecosystems.
Scientists have found that high carbon dioxide levels cause squid to bungle attacks on their prey, leading to a 20% decrease in successful hunts. This effect is observed across two cephalopod orders, suggesting that many species may be impacted by rising CO2 levels in the oceans.
Didik Prasetyo, a Rutgers doctoral student, is dedicated to understanding and protecting endangered great apes through his research. His recent study estimates that over 100,000 Bornean orangutans have been lost between 1999 and 2015, highlighting the urgent need for conservation action.
A University of Guelph study found that human encroachment is the leading cause of death among Ontario's at-risk birds of prey, with trauma and starvation being the top causes. The study analyzed over 1,500 bird deaths from 1991 to 2014 and highlighted the need for public awareness and habitat preservation to protect raptor populations.
A new study finds that large forest birds such as raptors and hornbills are being killed for bushmeat, leading to a decline in their populations. The research also reveals a surprising link between education levels and hunting habits, suggesting that higher education levels may be contributing to the problem.
A new ecotourism strategy has been tested in Lao PDR, reducing illegal hunting and increasing wildlife sightings. The direct payment approach incentivizes local communities to conserve wildlife, resulting in a three-fold increase in non-tourism sector hunting signs and an overall increase in wildlife sightings.
A new study reveals that collared peccaries, red brocket deer, paca, and agoutis are the most damaging crop-raiding animals in the Amazon. Crop raiding damages farmers' livelihoods by reducing crop yields and requiring costly protection.
A new analysis found that subsistence harvesting by indigenous people has a positive association with caribou numbers, contradicting previous speculation. The study's results suggest that government controls on indigenous caribou hunting may not be necessary and highlight a 'science-policy gap' in U.S. and Canadian governments
Researchers recreated prehistoric projectiles and points from ancient sites in Alaska to understand technological choices made by early humans. The study found that composite microblade points were more effective on smaller prey, while stone and bone points had strengths for larger game.
Researchers found seven percent of Austrian hunting dogs tested positive for the disease, highlighting a potential new vector for tularaemia transmission. The study suggests that asymptomatic dogs may pose an additional risk of infection for people.
Researchers found seals exhibit high stress when great white sharks are present, particularly in areas with no escape routes. Seals show reduced stress at islands with kelp beds and reefs providing safe passage from predators.
A cultural backlash from US populism limits opportunities for state fish and wildlife agencies to adapt to changing social values. Traditionalist values are associated with lower trust in wildlife agencies, while mutualist values support restrictions on humans.
A new study reveals that Amazonian communities with access to healthy fish stocks and large areas of intact forest do not empty their forests through sustainable subsistence hunting. However, large-bodied species and those forming large groups are depleted near communities, highlighting the importance of conservation efforts.
A new study from Field Museum and University of Queensland explores the use of flying fox teeth as currency in Solomon Islands. The research reveals that while bats' teeth are culturally valuable, they are primarily hunted for meat, an important source of protein on the island.
Researchers mapped 27 types of illegal activities in Brazilian protected areas, with vegetation suppression and hunting being the most common. Human population density and accessibility were key factors influencing these activities, highlighting the need for targeted conservation efforts.
Recent study in Journal of Wildlife Management suggests trophy hunting doesn't drive artificial selection, altering horn and antler sizes. Researchers argue that numerous obstacles counteract hunter selection, minimizing population-level changes.
The article highlights significant 'unknowns' about trophy hunting's contribution to lion conservation, including the causes of lion mortality and the extent to which hunting affects land use. Innovative funding methods are needed to reverse species loss due to the income shortfall from hunting compared to other forms of tourism.
A new study in PLOS Neglected Tropical Diseases found that women and children in Sierra Leone participate in hunting activities, challenging previous assumptions. The research underscores the importance of recognizing children's specific hunting practices to develop effective interventions.
Baits have become a significant portion of black bears' diets, potentially bolstering population density. The widespread consumption of calorically rich foods may be driven by the goals and consequences of baiting policies needing re-evaluation.
Research by Dr Nicholas Carey and colleagues reveals complex balance between whale attacks and fish escape responses, and how lunge characteristics relate to prey escape abilities. Humpback whales alter their lunging strategy to target different prey species.
New UAlberta research reveals female elk adapt their behavior to avoid hunters as they get older, showing social learning plays a key role. After 10 years, female elk become almost invulnerable to hunting, adjusting their movements and behavior to safer areas.
Researchers tracked lesser kestrels with GPS and accelerometers, finding that birds adjust flight and hunting strategies in response to solar radiation, wind speed, and air temperature. Energy expenditure per foraging trip remained constant, suggesting kestrels have a fixed energy budget.
A study found that recreational hunting in Spain's Asturias region can help control wild boar populations. The research team analyzed hunting bag data and found a significant increase in population numbers after temporary bans were lifted, indicating hunters' ability to regulate wild boar numbers.
A study by Wildlife Conservation Society found that Congo's miners often hunt wildlife for food due to lack of alternative protein sources. The authors suggest strengthening wildlife-friendly mining regulations and increasing domestic food sources as solutions.
Researchers observed Cuban boas in bat caves and found that coordinating their positions formed a wall across the entrance, making it difficult for bats to pass without getting within striking distance. This cooperative hunting strategy was always successful, with more snakes present leading to faster capture times.
A new study found that hunting by humans significantly reduces bird and mammal populations, with declines ranging from 53% to 82% in tropical forests. The research highlights the need for sustainable wildlife management strategies to avoid further defaunation.
A study published in Science found that hunting is a major threat to wildlife, particularly in tropical regions. Within 7-40 km of hunters' access points, mammal and bird populations declined by 83% and 58%, respectively. The impact of commercial hunting was higher than family food hunting, and protected areas were also affected.
Wolves in Yellowstone National Park prefer to hunt elk over bison despite bison being more abundant, likely due to the danger posed by larger prey.
Early Mesolithic humans practiced selective hunting to conserve certain species, such as red deer, and hunted wild boars independently of age. A fish fermentation facility at the settlement revealed a more settled community than previously believed
A University of Washington project explores the effects of climate change and subsistence hunting on polar bears, while also shedding light on the cultural value of the species to indigenous peoples. The research aims to set polar bears in context as resources for others, clarifying misinformation about hunting.
Scientists have identified the central nucleus of the amygdala as the key brain region organizing the hunt, with two distinct neural networks controlling prey pursuit and capture. The findings provide novel details on the neural control of craniofacial muscles and may contribute to understanding pathologies affecting this region.
Researchers at Yale University have isolated the brain circuitry that coordinates predatory hunting in mice, revealing two distinct modules controlling pursuit and kill behaviors. The study found that activating specific neurons in the amygdala can drive aggressive behavior, including biting and killing, in response to prey.
NASA's Hubble Space Telescope observes the small stellar galaxy NGC 4707, a loose spiral with undefined shape and central bulge, located 22 million light-years from Earth.
Two studies led by Oxford University scientists found that human activities caused 88% of male lion deaths in Hwange National Park, Zimbabwe. The research highlights the risks faced by lions when they enter farmland or hunting areas, and the need for improved trophy hunting management to protect populations.
Researchers found that traditional bullets for muzzleloading rifles and black powder rifle cartridges fragment less than modern high-velocity rifle bullets, suggesting a reduced risk of secondary lead poisoning. This could benefit hunters using these styles of guns and scavenging animals that consume game meat.
A study by Duke University researchers found that bushmeat hunting is drastically shaping wildlife communities, leading to sharp declines in large mammal populations and increases in rodent and small bird populations. The research suggests that the problem will worsen as the human population in the region increases.
Researchers used CT scans to investigate the origin of pre-mammalian therapsids' distinctive canines, finding they were not used for fighting but for display behavior. The study suggests sexual selection played a crucial role in the evolution of mammals, dating back 300 million years.
The study reveals that overhunting of mammals is concentrated in countries with poorer populations, threatening their livelihoods. The researchers suggest five broad steps to address the issue, including changing laws and providing property rights to communities benefiting from wildlife presence.
Researchers documented the killing of millions of animals in Brazil's Amazon Basin for their hides following the collapse of the Rubber Boom. Despite this, most land-based species appear to have survived the carnage, while aquatic species were more severely impacted.
Researchers from the University of Kent's Durrell Institute of Conservation and Ecology found that trophy hunting is sustainable when companies are given long-term land management rights, thereby maintaining habitat for threatened lions. Sustainable land management helps to fill the shortfall of large areas needed by lions to thrive.
A team of researchers found that 81% of spherical stone objects from South Africa's Cave of Hearths site were optimal for hitting a target at a 25-meter distance. The stones were likely used as projectile weapons for hunting and defense due to their throwing affordance.
New analysis reveals that 72% of the world's threatened species are imperiled due to human activities such as agriculture, land conversion, and overharvesting. Well-managed protected areas and sustainable agricultural practices can help reduce biodiversity loss.
Tiger sharks exploit easy food sources during nesting season, turning into scavengers when abundant dead sea turtles are available. The research found that tiger sharks spend more time patrolling surface waters near shore, indicating they are searching for carcasses or weakened turtles.
A North Carolina State University study found that hiking and hunting caused minor effects on wildlife distribution in protected Eastern forests. The study, which used citizen science camera traps, compared protected areas with similar habitats but different hunting regulations, and sites on and off hiking trails.
Researchers found that visitors to national parks are half as likely to see wolves when hunting is permitted outside park boundaries. In contrast, when hunting was prohibited, visitors were twice as likely to spot a wolf. The study suggests a tradeoff between harvesting and viewing wolves.
A new study by Drexel University researchers found that gun hunting is driving seven monkey species toward extinction on Bioko Island. Four of the seven species are especially vulnerable and unable to adapt to hunting, with the red colobus being the most at risk due to its specialized niche and larger body size. The researchers suggest...
Researchers found that individuals with greater local environmental knowledge (LEK) about hunting and medicinal plants reported fewer days of illness and caught more animals per hour of hunting. However, their nutritional status was not directly related to their LEK level due to sharing and reciprocity practices in the societies studied.
A team of European researchers has predicted increased hunting pressure in the Congo Basin, leading to dramatic population declines or extinctions. The study identified areas with high hunting pressure, including Virunga National Park and the Okapi Wildlife Reserve.
A comprehensive study of the San peoples' hunting tradition in Namibia reveals the ingenious practice of using beetle and plant poisons to boost arrow lethality. The research provides new insights into the biological purpose of the poison, its application process, and its impact on prey.
Researchers developed two monitoring indicators for hunting levels of rainforest mammals and birds, adapting fisheries monitoring methods. The study found that hunters may be shifting to smaller species over time and increasing pressure on bird and mammal populations.
Recent excavations on Pedro González Island in Panama found dolphin bones at an archaeological site dating back 6,000 years. The absence of dolphin hunting evidence elsewhere in Central America suggests that islanders used innovative methods to catch the marine mammals.
The article highlights four ways in which current hunting policies for large carnivores do not align with ecological theory and data. The authors emphasize the need to account for different methods of sampling effort and detection, as well as evaluate policies state by state.
A team of biologists found that current harvest levels for gray wolves in the Northern Rocky Mountains lead to decreased survival and reproduction, smaller packs, and social disruption. The research highlights the need for stronger science-based policies to guide regulated carnivore hunting.
A team of researchers found that current harvest levels for gray wolves in the Northern Rocky Mountains have led to decreased survival and reproduction rates. The study suggests that policies regulating wolf hunting are not sustainable and should be revised to prioritize population growth.
A study by Deakin University researchers found that little penguins associate with each other to hunt schooling prey, despite not being more successful individually. The birds may trade off solo hunting benefits for improved prey detection and avoidance of predation.
Researchers found that hippos consume meat, challenging their dietary status as herbivores, and increasing their susceptibility to anthrax outbreaks. This behavior may be linked to the unique characteristics of antelope carcasses infected with anthrax.