Articles tagged with Wildlife
A wolverine with a GPS collar traveled 543 miles over 42 days, crossing three states and multiple national parks. The study's findings suggest that wolverine populations may function over a vast geographic scale, highlighting the need for habitat conservation and cooperation among agencies and landowners.
Researchers fitted six-week-old tiger cubs with radio collars to study mortality rates and potential improvements. The third generation of radio-collared tigers for the project will enable scientists to track the cubs until they die or their collars fall off.
Researchers found that 70% of collisions occurred on just 7.7% of roads in the study area, highlighting the need for animal-friendly infrastructure. In another case, conservationists in Germany must reduce road mortality to make reintroduction of the Eurasian lynx effective.
Eight environmental stewards have won $900,000 in biodiversity awards for their conservation efforts. The winners include Maria Marta Chavarria, Graham Harris, and Mengistu Wondafrash, who were recognized for their work protecting endangered species and habitats in Costa Rica, Argentina, and Ethiopia.
Researchers found that wild chimpanzees have a slower rate of tooth development compared to captive animals, challenging assumptions about hominid growth patterns. The study suggests that modern humans are not as different from Homo erectus as previously thought, and that a larger body size does not require a longer time to grow.
Callimico monkeys eat fungi during the dry season, a trait shared by no other tropical primate species. They also exhibit a different reproductive strategy than other small New World monkeys, giving birth to single offspring twice annually.
Researchers at the Wildlife Conservation Society discovered a large population of jaguars in Bolivia's Kaa-Iya Park, estimated to be one of the largest in any protected area. The park, which covers over 34,000 square kilometers, is also home to a diverse range of other wildlife, including endangered species such as the Chacoan guanaco.
The Wildlife Conservation Society recently rounded up over 300 threatened flamingos in the Altiplano region, collecting data on their health and tracking population trends. The organization has been participating in a banding project for three years, working to conserve vulnerable species like James' and Andean flamingoes.
A new study warns that increased gas development in the Greater Yellowstone Ecosystem is putting long-distance migratory species like pronghorn antelope at risk. The authors suggest establishing protected migration corridors to safeguard these traditional migrations.
Australian researchers introduce a simple method to collect, archive and process DNA from wildlife samples using FTA databasing paper, which preserves DNA integrity despite temperature fluctuations. This technique enables the transport of large reference collections over long distances, enabling extensive wildlife studies.
Researchers have identified three new Geophagus fish species in South America, shedding light on the region's biodiversity and ecosystem importance. The discoveries add to ongoing efforts to catalog the approximately 4,475 freshwater fish species found in the region.
Researchers created a model linking tiger populations to prey density, revealing that human hunters are primary drivers of wild tigers' decline. The study spans eight years and 4,200 miles, providing rigorous insights into the macro-ecological dynamics of tigers and their habitats.
A new map developed by the Wildlife Conservation Society predicts wolf attacks in Wisconsin and Minnesota based on road density, farm size, deer availability, and other factors. The maps identify high-risk townships with moderate to high risk of wolf attacks, which are clustered along the edge of the wolf population.
Researchers developed a computer model to predict the effects of different hunting regimes on lion populations over 50 years. The study suggests that males aged 5 or older can be sustainably hunted without limits, while younger lions are prohibited to ensure population stability.
The Wildlife Conservation Society will use the grant to establish a conservation network throughout the region, providing support for various activities and funding a student grants program. WCS plans to expand its programs in these regions over the next 15 years, covering approximately five percent of the Amazon Basin.
A study by Wildlife Conservation Society reveals that simultaneous Ebola outbreaks consist of multiple viral strains originating from different areas. The authors recommend establishing a monitoring network to look for dead and dying large animals as an early warning system to minimize damage to both people and wildlife.
Researchers found high concentrations of BDEs in peregrine falcon eggs, suggesting the deca formulation may not be harmless. The study's findings add to concerns about the safety of BDEs and their potential impact on wildlife.
A study published in Conservation Biology found that non-lethal repellent methods, such as motion-activated devices with strobe lights and random noises, were effective in keeping predators away from deer carcasses. The methods outperformed traditional deterrents like electronic training collars.
A new map of the Arctic Tundra Biome has been published, providing a comprehensive understanding of the region's vegetation and associated characteristics. The Circumpolar Arctic Vegetation Map (CAVM) offers critical data for conservation and climate change efforts, including information on land-use change and plant biomass.
Researchers find that movement-activated guards deter predators from feeding by up to two-thirds, offering a non-lethal alternative to lethal control methods. The study suggests promoting coexistence between humans and large carnivores through real-world problem-solving.
The study found that large game animal populations existed in higher numbers where human populations were low, but decreased significantly near Native American settlements. Human influence on the environment has been going on for a long time, even before European settlement.
The agreement creates a transboundary protected area combining the Takamanda-Okwangwo complex in Cameroon and Nigeria. The plan aims to conserve gorillas and their habitat through measures such as revised land-use practices, corridor establishment, and increased protection.
The government aims to safeguard 10% of its territory by tripling protected areas, with a focus on preserving primary forests and promoting sustainable land use. Madagascar is home to unique and endemic species found nowhere else.
The report highlights the growth of tourism in fragile ecosystems, threatening biodiversity. Sustainable tourism development can balance economic and environmental needs, providing opportunities for conservation and local community well-being.
The World Parks Congress has established a new reserve in Brazil that supports local communities and balances conservation with development. The Piagaçu-Purus Sustainable Development Reserve is part of six new reserves totaling 10.4 million acres, doubling the Amazonas State protected area system size.
The UC Berkeley Museum of Vertebrate Zoology is conducting a new wildlife survey in Yosemite National Park, following the same transect as Joseph Grinnell and Tracey Storer's landmark survey between 1914 and 1920. The team aims to gather baseline data for comparison with historic species abundance and distribution.
Researchers have developed a DNA-based test to accurately distinguish great white sharks from other species, even when only dried fins or meat are available. This new test will help conservationists and fisheries managers better regulate and protect great whites, a species that has declined by up to 79% in the northwestern Atlantic.
The Wildlife Conservation Society reports a substantial increase in Tibetan antelope, wild yaks, and other species due to enhanced protection. The increased numbers are attributed to better enforcement and education, but challenges persist in managing human-wildlife conflicts.
A study by Wildlife Conservation Society argues that India's tiger counting method using pugmarks is flawed and leads to poor conservation. The authors suggest adopting simpler, statistically sound monitoring methods such as sample surveys and encounter-rate surveys.
The Chamorro people's consumption of cycad-fed flying foxes may have led to high incidence of ALS-PDC, a neurodegenerative disease. Studies show that eating wild animals with unknown health risks can be particularly hazardous.
A new UC Davis analysis reveals that adult sea otters in California are dying at an alarming rate due to diseases and parasites. The study found that nearly two-thirds of the otters died from disease, with parasitic infections being a major cause, including thorny-headed worms and protozoa.
Researchers tracking wolverines in Yellowstone's Greater Ecosystem discovered a rare killing of a wolverine by a black bear. The incident supports the species' fierce and fearless nature.
A year-long study on Texas A&M University campus found that male urban squirrels are more likely to die on roads, with males darting about through streets more frequently. In contrast, female squirrel death was mostly attributable to predation, highlighting the need for effective wildlife management strategies in urban landscapes.
A 22-page technical review explores the relationship between economic growth and wildlife conservation, revealing a high correlation between the two. The review aims to increase awareness about the fundamental conflict and identify potential solutions.
A study by the Wildlife Conservation Society reveals that increased robusta coffee production has led to widespread deforestation in Indonesia's lowland forests. As a leading consumer of robusta coffee, the US can play a key role in halting this wave of deforestation by reasserting itself as a strong member of the International Coffee ...
A recent study warns of a dramatic decline in western equatorial Africa's great ape populations, with gorillas and chimpanzees facing nearly 60% decline since 1983. The research highlights the urgent need for aggressive investments in Ebola prevention, law enforcement, and protected area management to ensure their survival.
A study published in Nature reveals that wild chimpanzee and gorilla populations have declined by over 50% in the past few decades, with an estimated 80% decline expected within 30 years. The researchers attribute this to illegal hunting and Ebola outbreaks, highlighting the need for improved anti-poaching laws and Ebola research.
Researchers at Virginia Tech have made significant contributions to understanding bear behavior, including the impact of radio-collars on survival rates and the role of dispersal distance in helping bears evade hunters. Their findings also led to the development of a morphometric-based dichotomous key for age identification.
The proposed 'Millennium Highway' would disrupt the migrations and destroy calving grounds for Mongolian gazelles. The Eastern Steppe is home to Asia's last great spectacle of migrating hoofed animals, a ecosystem worth preserving.
A study analyzing 143 scientific papers and personal backyard recordings reveals that animals and plants are shifting their behaviors and seasonal timing due to a 0.6°C global temperature increase. In the temperate zone, species are shifting about five days earlier every ten years in response to warming temperatures.
Marcella Kelly uses infrared remotely triggered cameras to photograph jaguars in Belize's Chiquibul Forest Reserve. Her research estimates the presence of at least eight jaguars per 100 square miles, highlighting the species' endangered status due to habitat destruction and illegal hunting.
A new map shows that 83 percent of the land's surface is under human influence, but still, wild areas remain, offering opportunities for conservation. The study also found that even in heavily influenced areas, wildlife can thrive, such as in India where tigers coexist with one billion people.
Incorporating mate choice into breeding programs can increase the survival of young whitefish and other species by selecting for genetically superior males. However, this approach may also reduce genetic variation, requiring a balance between the two goals.
Using a unique land-based population research technique, Dr. Vaughan improved the accuracy of bighorn sheep counts in the Grand Canyon by analyzing lamb-to-ewe ratios and survival rates. The innovative method allows for helicopter counts while minimizing disruptions to wildlife habitats.
A University of Florida-led study examines the effects of wildlife corridors on plant pollination and seed dispersal. The findings suggest that corridors encourage the movement of plants and animals, improving ecosystem health. The large-scale experiment provides valuable insights into the benefits of wildlife corridors.
Bushmeat consumption has been linked to chemical poisoning, with 30% of samples containing organochlorines, carbamates, and organophosphorus. The Ghana government aims to reverse the extinction of wildlife through sustainable alternatives like wildlife farming and education campaigns.
Research by University of Georgia wildlife scientists found that clover strip-cropping and conservation tillage systems in cotton provide critical habitat for threatened songbirds. Clover offers cover from predators, insects for food, and time to nest and fledge young between field operations.
The U.S.-Peru debt-for-nature swap aims to conserve ten tropical rain forest areas covering over 27.5 million acres, home to rare biodiversity and threatened species. The agreement generates funds for local Peruvian conservation groups and provides critical income streams for front-line conservation efforts.
Wild meat harvesting is a major threat to threatened species, with big mammals and conspicuous birds being most at risk. Conservation biologists and organizations must work together to address poverty and unmanaged wildlife use to mitigate overhunting.
A new program helps protect Asian elephants from crop-raiding by implementing a coordinated effort to deter them, reducing farmer risk and protecting the environment. The initiative uses trip wires, sirens, spotlights, and firecrackers to scare off aggressive elephants, promoting coexistence between humans and wildlife.
A recent study published in the Canadian Medical Association Journal found a significant increase in wildlife vehicle collisions across Canada. The research highlights the growing concern of these accidents, which can result in serious injuries and fatalities.
Researchers have developed a method to save endangered freshwater mussels by collecting and depositing parasitic larvae onto suitable fish hosts. This process allows for the mass production of juvenile mussels, which can then be released into the wild to improve water quality.
A recent study assesses the jaguar's long-term survival prospects and identifies priority areas for conservation. The researchers found that the big cats are likely to survive in 70% of their current range, with the Amazon Basin being a key region for protection.
A new report identifies knowledge gaps in Central American flora, particularly among fungi and mosses. The Mesoamerican and Caribbean Herbarium Network, which holds over one million plant specimens, is a key resource for future discovery.
A study has discovered an HIV-like virus in a wild chimpanzee, providing evidence that the virus originated from this species. The virus, SIVcpz, was found in one animal from the Gombe National Park, revealing a different strain than previously known viruses.
Researchers have discovered that male orangutans engage in homosexual behavior in the wild, a phenomenon previously only observed among captive animals. This finding highlights the complexity of primate social behavior and challenges existing assumptions about great ape sexuality.
The Wildlife Conservation Society will use the grant to manage and protect key areas with intact ecosystems, such as the Ndoki-Likouala rain forest in the Republic of Congo and the Greater Yellowstone Ecosystem. WCS's Living Landscapes approach aims to balance human needs with wildlife conservation.
A team of scientists from Texas A&M University has developed a mathematical model to better understand wildlife habitats and interactions. The model uses equations to describe how animals and plants live, grow, and interact with each other in different environments.
The Southern Highlands region of Tanzania is facing significant biodiversity loss due to widespread harvesting of African orchids. The Wildlife Conservation Society is working to establish a national park in the region to protect the area's floral significance and prevent further depletion of the species.
Biologists from UCLA and Swedish universities have uncovered the history of how wild horses were domesticated, revealing widespread interbreeding across multiple regions. The study found that genetic diversity was much higher than previously thought, suggesting a more complex process of domestication.