Articles tagged with Endangered Species
A new study evaluates the effectiveness of the Natura 2000 network in covering threatened European species, finding that many fish species are poorly covered. The authors recommend increasing site numbers, developing public awareness, and involving local people in conservation strategies to improve efficiency.
Conservation efforts by the Chilean government and researchers from Cambridge have allowed Huemul deer to return to natural habitats in Bernardo O'Higgins National Park. The population has stabilized and begun to increase after controlling cattle farming and poaching, providing a model for future biodiversity conservation.
A new study reveals that proportions of threatened species are more closely related to socio-economic pressures from the early 20th century. This 'extinction debt' implies that current conservation efforts may underestimate true extinction risks, as many species may already be destined for extinction due to temporal delays.
The study confirms common ancestry but divergence of the two species adapted to semi-arid conditions with drastic hydrological regime changes, emphasizing habitat protection measures for their genome integrity.
A study on oceanic whitetip sharks reveals they spend most of their time in Bahamian waters but roam long distances, highlighting the need for international conservation measures. The research provides key findings for protecting this species, which is listed as Critically Endangered globally.
Researchers from Princeton University presented various topics at the 2013 AAAS annual meeting, including virtual water trade to cope with climate change, biodiversity indicators, and the physics of cancer. They also explored the evolutionary significance of third molar impaction in human populations.
Researchers found that collective intelligence enables small groups of fish to respond effectively to complex, changing environments. As group size increases, the fish's ability to navigate and locate essential resources improves dramatically.
A new study published in Springer's Human Ecology journal explores the complex web of factors increasing perceived risk of tiger attack in the Sundarbans of Bangladesh. The researchers found that poverty-related issues, such as low incomes and poor infrastructure, significantly influence villagers' perceptions of risk from tigers.
A recent study used bird watching records to build the first bird watching database in China, finding new national-level records and a trend of species moving to higher latitude and elevation regions. The database provides valuable data for scientific research on ecosystem health and biodiversity.
A study published in the Journal of Applied Ecology found that removing around 100 artificial waterbodies can prevent toads from occupying 268,000 square kilometres of land. This could protect numerous species, including northern Quolls and goannas and snakes, badly affected by toad invasions.
A research team has identified genetic markers for the Bornean elephant using cutting-edge DNA sequencing methodology. The discovery opens new avenues for conserving other endangered species with limited genetic diversity. The study, published in PLOS ONE, marks a significant breakthrough in conservation efforts.
A MSU team is working to collar Baird's tapirs in Nicaragua to monitor their movements and determine how they can co-exist with local farmers. The research aims to find a balance between the animals' survival and crop protection.
Researchers found that young male orangutans migrate across the island to increase breeding chances and preserve genetic diversity. The study suggests protecting mountainous regions with no viable populations to maintain genetic exchange and promote species survival.
Researchers found that mother wolves' body weight and pack size play a crucial role in enabling pups to survive and thrive. The study suggests that managers can use information on pack size, female wolf weight, and disease prevalence to set harvest limits and ensure sufficient population growth.
A recent analysis reveals unexpected trends in the growth of a northern muriqui monkey population, including increases in fertility and mortality rates. The study suggests that behavioral changes, such as increased use of the ground for food and mating, may be driving these shifts.
A study published in the Proceedings of the National Academy of Sciences predicts that rapid urban expansion will have significant impacts on global biodiversity hotspots. By 2030, urban areas are expected to expand by over 463,000 square miles, coinciding with infrastructure development that will transform land cover and cities globally.
A new report by the Zoological Society of London identifies 100 of the most threatened animals, plants, and fungi on the planet, highlighting their unique value to nature. The report emphasizes that all species have a right to exist and should be protected, regardless of their perceived utility for humans.
The Endangered Species Act focuses on boosting species' numbers, but many will require continued management actions. Individual conservation agreements can help such 'conservation-reliant species',
A new study shows that crows react to threats in a human-like way, with brain regions activated similarly to those in mammals. The research used a novel approach to study bird behavior, involving awake crows wearing masks, and has implications for reducing stress in captive animals.
A study finds that citizens do a better job of picking threatened species than the US Fish and Wildlife Service. Citizen-initiated listings are more likely to pose conflicts with development, but those species are also significantly more threatened on average.
A WSU researcher finds that forest disturbances, including fires and wildfires, can help create habitats for rare plants and animals. This approach to forest management can enhance biodiversity by mimicking natural disturbances.
Researchers have confirmed the presence of the critically endangered snub-nosed monkey species in China's Yunnan province. The population is estimated to be less than 100 individuals and faces numerous threats due to habitat loss and hunting.
A recent study by the Institute for Ocean Conservation Science found that international protection of sturgeon species has reduced fraudulent labeling of black caviar. The research revealed a nearly 50% decrease in mislabeled products, indicating the effectiveness of trade regulation.
Researchers discovered commercial rodenticide in dead fishers in Humboldt County and Yosemite National Park, linked to illegal marijuana farms. The poison, anticoagulant rodenticides, can cause uncontrollable bleeding and is toxic even after a single ingestion.
An international team of scientists assesses 163 grouper species and finds 20 at risk of extinction, while 22 are Near Threatened. Groupers take years to mature and are vulnerable to overfishing and habitat loss.
The study used DNA sequencing to analyze 15 samples of traditional Chinese medicines, revealing potentially toxic plant ingredients, allergens, and endangered animals. The results highlight the need for regulation and enforcement in the industry.
A new look-alike species of hammerhead shark has been discovered in Brazilian waters, raising concerns about its impact on the endangered scalloped hammerhead. The discovery confirms that the original finding was not a local oddity and highlights the need for further research to understand its population status.
A new study identifies nearly 130 bird species at risk due to climate change, with 72% of threatened and endangered species projected to be further impacted. The research provides a comprehensive list of vulnerable species for conservation action, prioritizing wetland birds and those dependent on sea or near-shore habitats.
A recent study has found that many US species at risk of extinction are not on the country's official Endangered Species Act (ESA) list. The IUCN Red List, a leading global threatened species list, reveals that up to 95% of certain species groups are missing from the ESA.
A Danish research team has developed a new DNA-based method to monitor rare and threatened animal species in freshwater environments, showing it can be effective even for extremely rare populations. The study found a clear correlation between DNA detection and population density, enabling the estimation of population sizes.
A number of threatened species rely on human agriculture for survival, according to a new study by the University of East Anglia. Local communities practising traditional agriculture with low ecological impact support valuable practices like grazing animals and growing cereal crops.
Researchers used satellite imagery to assess the conservation status of endangered species in the Comoro archipelago, finding that only 9% of the island area is still covered by natural forest. This approach allows for precise estimation of remaining habitat extent and prioritization of future protected areas.
A new study by Dr. Murray Rudd reveals a high level of consensus among conservation scientists about the impending loss of biological diversity. The survey found that 99.5% of responders believed a serious loss was likely or very likely, with tropical coral ecosystems perceived as the most seriously affected.
A new species of minute freshwater snail, Daphniola eptalophos, has been found in a mountainous spring in central Greece. The species differs from its congeners in shell dimensions, soft body pigmentation and penis coloration.
Researchers found that exposure to chimpanzees in human settings in ads makes people less concerned about the risks they face and less likely to donate to conservation charities. The study suggests reevaluating media practices and conservation priorities.
Scientists argue that when a species recovers enough to be removed from the federal endangered species list, state management should follow the public trust doctrine, which guides conservation for the public good. The researchers apply this principle to the gray wolf case in the northern Rocky Mountains.
A new study examines the impact of climate change on amphibian species, finding that rapid temperature swings can trap species at different points in their travels. The research suggests that many species will become endangered due to their inability to tolerate unfavorable climate conditions for extended periods.
A new study reveals that Przewalski's horse, an endangered species, has a much more ancient origin than previously thought, with a common ancestor dating back 160,000 years. The research also suggests that the present-day population of 2,000 individuals has a highly diverse gene pool.
Researchers at Scripps Research Institute have successfully produced stem cells from two endangered species, a drill and the northern white rhinoceros. These cells could enable lifesaving medical therapies or offer the potential to preserve or expand genetic diversity by offering new reproduction possibilities.
The US government will evaluate a petition to list chimpanzees as endangered, which could improve their welfare and conservation. If classified, they would receive protections similar to other endangered species, reducing exploitation by the entertainment industry.
Scientists suggest that wolves may play an important role in helping to save the threatened Canada lynx by controlling coyote populations, which are a major food source for the lynx. This 'trophic cascade' of impacts has contributed to the decline of the species due to habitat alteration and climate change.
Research reveals Iberian lynx fossils have low genetic variation over the last 50,000 years, suggesting moderate population sizes may ensure long-term survival. This finding challenges the myth that certain species are doomed by their genetics.
A global study found that seven out of 61 species are threatened, with the southern bluefin tuna being one of them. The main factors contributing to this are the fish's high dollar value leading to heavy fishing pressure and their slow reproduction rate.
An international team of scientists assesses the population status of several fish species, classifying seven as threatened with extinction and four as 'near threatened' for the IUCN Red List. The study highlights the need to protect against overexploitation driven by high prices, which are putting pressure on global fish populations.
A recent genetic study found that centuries of human activity, including trade and rituals, have mixed the genetic lineages of the critically endangered Central American river turtle. The turtles' shells made them easy to transport, allowing them to be brought together from isolated river basins.
Researchers found that media portrayals of chimpanzees can create widespread misunderstandings about the species' conservation status. The study reveals that viewing images of chimpanzees with humans can lead to a decrease in perceived endangerment and increase the likelihood of owning them as pets, despite their dangerous nature.
A new study published in PLOS ONE found that mass media portrayals of chimpanzees contribute to widespread misunderstandings about their conservation status and nature. The research demonstrates the significant role media plays in creating negative outcomes for individual animals and potentially undermining critical conservation efforts.
The study highlights the urgent need for effective management of tuna and billfish populations. Five species of tuna are in the threatened or Near Threatened categories, while three billfish species are also at risk.
A research team has created a risk map to predict wolf attacks on Wisconsin livestock, identifying three variables that distinguish high-risk areas from low-risk ones. The study suggests that targeting prevention efforts on high-risk hotspots can help reduce conflicts between humans and wolves.
A new study has assessed the extinction risk of individual seagrass species worldwide, revealing that 10 out of 72 species are at elevated risk of extinction. The research highlights the critical role seagrasses play in maintaining marine ecosystems and human livelihoods.
A new study disputes the use of a single minimum viable population number as a yardstick for conservation policies. Populations show rapid declines due to human activities, but removing negative effects, even small populations could be viable in the long term.
A new study reveals that 39 additional marine species beyond those under federal protection are at risk of extinction due to the Deepwater Horizon oil spill. The researchers advocate for priority protection and restoration efforts for these globally threatened species.
Research by Smithsonian scientists reveals that seasonal changes in vegetation determine the distance migratory animals travel and whether they migrate independently or in herds. The study's findings have significant implications for conserving endangered species.
A study by the Institute for Ocean Conservation Science uses DNA testing to identify separate populations of dusky and copper sharks in different coastal regions, allowing for tracking of their origins and informing management of the shark fin trade. The research demonstrates that genetic differences among regional groups can be used t...
Researchers tracked increases in methylmercury levels in black-footed albatross feathers over 120 years, attributing them to human-generated emissions. The study highlights the importance of conservation efforts in the Pacific Ocean, where mercury pollution poses a significant threat to endangered seabird species and human health.
A new index called SAFE (Species Ability to Forestall Extinction) measures how close a species is to extinction. The index provides a formula for calculating the minimum viable population size, allowing conservationists to prioritize resources on species most likely to be brought back from the brink of extinction.
A new study found that human metapneumovirus and bacterial pneumonia contributed to the deaths of mountain gorillas in Virunga National Park. The virus was closely related to strains circulating in South Africa, suggesting that tourists may have carried it into the parks.
Scientists at the Max Planck Institute for Demographic Research propose targeted captive breeding programmes to supplement wild animal protection. The study reveals that up to 25% of endangered mammal species and 20-25% of bird species are kept in zoos, with specialist zoos showing greater breeding success.
A recent study by Notre Dame biologists highlights the growing issue of endangered plants being sold online, often illegally, and moved outside their native range. The researchers warn of the dangers of unchecked species redistribution, which can lead to environmental harm and economic costs, including damage to crops and ecosystems.
The study reveals that industrial and traditional fishing activities are putting the monk seal and Atlantic hump-backed dolphin at great danger due to over-exploitation of resources. The researchers call for stricter regulation and monitoring of fishing practices to protect these species.