Articles tagged with Endangered Species
Recent calculations by University of Groningen researchers suggest that bird species in New Zealand will need around 50 million years to regain their lost diversity. However, the fate of endangered species like the kakapo and kiwi could add millions more years to this timeline.
Expert agencies play a critical role in assessing the impacts of proposed federal actions on threatened and endangered species. New research from Defenders of Wildlife shows that limiting or removing these services could have disastrous consequences, while suggesting areas where the consultation process can be made more efficient witho...
The global price of ivory has increased tenfold since the 1989 CITES ban, leading to higher poaching incentives and greater numbers of elephants being killed. This study provides new insights into the factors driving increases in ivory prices, shedding light on how conservation efforts can be improved.
A new species of flying squirrel from Southwest China, Biswamoyopterus gaoligongensis, has been described. The discovery sheds light on the genus' previously unknown range and highlights the need for further research into its ecology and conservation status.
A study published in Oryx highlights 85 conservation projects protecting the critically endangered South American River Turtle (Podocnemis expansa) in the Amazon and Orinoco river basins. These efforts have successfully protected over 147,000 female turtles across the basin.
Researchers developed a new approach to estimate population abundance from simultaneous counts of unmarked individuals over multiple sites. The methodology works best in scenarios with few sites, large variation in abundance among sites, and individuals moving between sampling sites.
Researchers developed a new method to estimate cumulative human impact for individual species, revealing threatened seahorses in data-poor regions. The study found China, Southeast Asia, and Europe as major threat epicentres for global seahorse populations.
Researchers suggest that large, slow-breeding animals require 'demographic safe spaces' to maintain non-negative population growth rates. Conservation efforts for Asian elephants and other species can focus on enhancing survival of females and calves to prevent extinction.
Researchers have identified six threatened tenrec species out of 31, categorized as Vulnerable or Endangered due to habitat loss and hunting. The conservation status of tenrecs is expected to improve by integrating research into broader sustainable development objectives.
A new study in Journal of Applied Ecology proposes ways to improve risk assessments for endangered species by incorporating accurate population growth rates and survival data. The models more closely reflect reality by assessing long-used assumptions and proposing analytics that better reflect the impact of survival and reproduction.
A recent study found that organic animal farms increase bird numbers in agricultural environments, contrary to other environmental subsidies. The proximity of organic farms was particularly beneficial for insectivore birds.
A Yale-led study reveals that 1,012 additional amphibian species are at risk of extinction, with many found in South America and Southeast Asia. The study predicts that more than half of these species are 'Endangered' or 'Critically Endangered',
Researchers used ecological and evolutionary attributes to model extinction risk for data-deficient amphibians, finding over 1,000 species threatened with extinction. Half of these species are likely Endangered or Critically Endangered, primarily in the Neotropics and Southeast Asia.
A team of scientists has identified five priority measures for Madagascar's new government to prevent species and habitats being lost forever. Investing in protected areas and local community tenure over natural resources are key strategies to address the country's biodiversity crisis.
A Duke University study suggests that giant devil rays may have an unknown birthing zone in nearby waters, which could be a good news for conservation efforts but requires action to limit fishing during birthing months.
A study published in PNAS confirms that zoos and aquariums hold critical information about more than 98% of known species, including fertility and survival rates. By analyzing data from the Zoological Information Management System (ZIMS), researchers were able to fill large gaps in demographic knowledge for these species.
A new study led by York University reveals the American Bumblebee is critically endangered due to a 70% reduction in its area of occurrence and an 89% decrease in relative abundance. Immediate conservation action may save the species from extinction, similar to the fate of the Rusty-patched Bumblebee.
Researchers found that public interest in US bird species increases with body size and abundance, while endangered species attract high local interest. Certain well-known species are also popular nationwide, despite their limited range.
Researchers at Stanford University and India's National Centre for Biological Sciences have developed a new approach to extract genetic clues from degraded DNA samples. This method uses a sequencing technique that amplifies small bits of DNA with unique differences in each sample, allowing for the use of contaminated or mixed samples. ...
A collaboration between astrophysicists, conservationists, and ecologists is using drone technology with thermal-imaging cameras to count orangutans. The method has proven successful in detecting the great apes in the Bornean forest canopy, even at night or in fog.
The study identifies regions under high-intensity threat from commercial harvesting of species, highlighting urgent need for sustainable use and protection. High-risk areas contain 82% of impacted species, with only 16% covered by protected areas on land.
A team from Kyoto University analyzed the dispersal patterns of golden lion tamarins, revealing that males and females use different tactics to maximize their reproductive success. The study aims to inform management strategies for conserving other threatened species.
Researchers at Oxford University have developed a method to produce eggs from ovarian tissue in labs, providing new hope for the critically endangered Northern White Rhino. The technique could enable conservationists to pull species back from extinction by utilizing ovarian tissue from old or injured animals.
Scientists developed a unique model that can predict Eastern Pacific leatherback turtles' location along the coast of Central and South America. The model aims to reduce bycatch mortality of this critically endangered species.
A global wildlife map identifies areas where threatened species can find refuge, but also highlights shrinking refuges and high levels of species richness threatened by human activities. The study provides a roadmap for conservation investment and mitigation strategies to save endangered species.
A study published in Folia Primatologica found that protecting national parks can preserve multiple mammal species, including carnivores and ungulates. Researchers observed a significant increase in species diversity within the protected area of Niokolo-Koba National Park in Senegal.
A new study reveals that despite export bans and international regulations, the global seahorse trade continues to thrive through illegal channels. The research found that 95% of dried seahorses sold in Hong Kong's large market came from source countries with export bans in place.
Researchers used environmental DNA to track Japanese eel populations in 10 rivers, detecting 91.8% of confirmed locations and providing insights into abundance and biomass estimation. This non-lethal method is ideal for monitoring endangered species, including invasive foreign eels.
A new study finds that 28% of endangered species are unprotected by CITES, with 62% needing up to 24 years for protection. Experts recommend speeding up the policymaking process to prevent extinction.
A significant gap exists between scientific identification of species threatened by international trade and their provision of international protection. One-third of currently endangered species due to trade are not protected, highlighting the need for accelerated action.
Conservationists have successfully used acoustic monitoring devices to track the movements of reintroduced hihi birds, marking a breakthrough for conservation efforts. The 'stitch' call of the endangered species was found to change from random distribution to settled home range, indicating success.
A recent study found that warmer sea-surface temperatures in the Gulf of Maine are a key predictor of cold-stunning events among juvenile Kemp's ridley sea turtles. The number of cold-stunned turtles is increasing at an alarming rate, with over 2,300 predicted by 2031.
A NUS study reveals that crossbreeding between milky storks and their cousins is threatening the species' conservation. The research found that more than half of the stork population in Singapore is genetically influenced by Painted Storks, posing a major threat to the species' survival.
Researchers at the University of Exeter have discovered endangered hammerhead and dogfish species being sold as food in UK chip shops, highlighting a need for more accurate labelling. The study also found that consumers may unknowingly purchase threatened shark species, posing health risks and contributing to declining shark populations.
A University of Queensland-led study found that environmental legislation is failing to protect the southern black-throated finch's habitat, leading to a steep decline in its population. The research highlights the need to halt the decline of this bird's habitat to prevent extinction.
A study by University of Barcelona researchers found that the green turtle reintroduction program in Cayman Islands has successfully recovered the species' population, with a high genetic diversity. The program's success is attributed to careful management and monitoring, ensuring the long-term survival of the species.
A new systematic approach to assess animal extinction risk has found that 20% of previously unassessable species are likely threatened. The method, designed by Luca Santini and colleagues, is more efficient than traditional methods and provides an early warning system for species at risk.
A new analysis by UC Santa Cruz researchers found that fallowed farmland in the San Joaquin Desert has strong potential for habitat restoration. The study identified over 600 square kilometers of land suitable for conservation, offering a promising solution to protect endangered species like the blunt-nosed leopard lizard.
Three new species of groundwater salamanders discovered in Central Texas, including one critically endangered, have been identified as highly vulnerable to extinction. The discovery highlights the need to protect these keystone species, which maintain aquifer ecosystem health.
A new mathematical model developed by University of Southern Denmark researcher Fernando Colchero can help predict the population growth of endangered species. The model takes into account age-specific survival and reproduction rates, as well as trade-offs between these factors, resulting in more accurate predictions.
A new study reveals that tourists in Morocco object to using barbary macaques as photo props, citing concerns about animal welfare and potential health risks. The practice is perceived as unacceptable by 88% of respondents, who also raise concerns about hygiene and the risk of infections.
New research reveals small and isolated habitat patches in Australia are vital to the survival of many rare and endangered species. Small patches of vegetation, such as those along roadsides or in urban areas, can be a last piece of habitat for species that once had widespread habitats.
New research highlights invasive species as the top threat to Australian biodiversity, affecting 82% of threatened species, while habitat changes impact 74%. The Threatened Species Recovery Hub and Centre for Invasive Species Solutions warn of an extinction crisis without innovative management options.
A new study published in Proceedings of the National Academy of Sciences found that small and isolated habitat patches are vital to the survival of many rare and endangered species. The research highlights the importance of conserving these small patches, which can sometimes be the last remaining habitats for species.
A study led by Australian National University found swift parrots experience love triangles, sneaky sex, and increased fighting among males as the ratio of females to males increases. The introduction of sugar gliders has led to a chronic shortage of females, resulting in fewer babies being born.
The latest ranking from ZSL's EDGE of Existence programme highlights the most ancient fish at risk of extinction, including guitarfish, angel sharks, and saws-on-their-faces rays. These unique species have few or no remaining close relatives, making each one irreplaceable if they go extinct.
A new machine learning-based approach predicts conservation status of over 150,000 plants, identifying 15,000 species at high risk. The method uses data analytics and machine learning to assess habitat features, weather patterns, and physical characteristics.
Archaeologists and scientists studied ancient Maya shells and tissue samples, leading to the first molecular study of freshwater mussels in Mexico and Central America. The study provided crucial insight into North American freshwater mussel evolution and revealed that some species were overestimated due to lack of DNA data.
A new study categorizes Australian land mammals by their susceptibility to predation by feral cats and red foxes, revealing 63 of the 100 surviving mammal species are highly susceptible. The most vulnerable species include potoroos, bandicoots, bettongs, native rodents, and several marsupial species.
Researchers successfully established an immortalized cell line derived from the critically endangered Okinawa rail. The use of the K4DT method, which involves co-expressing mutant CDK4, Cyclin D, and TERT genes, significantly extended cellular division and immortalization in avian cells. This breakthrough paves the way for further func...
A recent study found that the Mauritian flying fox is responsible for only some fruit damage and can be managed effectively without culling. The research recommends alternative methods such as pruning trees and using nets to reduce losses.
A recent study published by Kew scientists reveals that 36% of 'critically endangered' plant species produce recalcitrant seeds, making seed banking an ineffective conservation method. This means alternative techniques like cryopreservation are necessary to safeguard the world's most threatened species and iconic tree species.
Morris Animal Foundation-funded researchers successfully protected Ridgway's hawk nestlings from botfly infestations by applying an insecticide product, resulting in a 170% increase in survival rates. This treatment could be used to help save other island bird species declining due to aggressive botflies.
Researchers found diverse bacterial communities in the aquarium's water that break down waste and nitrates with varying efficiency. The study suggests that mixed bacterial communities may work more efficiently than single-star players, providing a backup option for optimal performance.
A new framework proposes a logical and transparent approach to allocate limited resources for conservation and recovery efforts. This approach aims to identify the most important objectives and allocate funds efficiently, leading to greater confidence in funding agencies and partners.
A Cornell University study used eBird and survey data to model the Tricolored Blackbird population decline by over 33% in 10 years. The research provided crucial evidence for the State of California's Endangered Species Act protections, approved in April.
Researchers found that hookworms feed at a constant rate in their hosts, leading to high levels of anemia and mortality. The worms' short lifespans have evolved to synchronize with the fur seals' reproductive cycles, allowing them to maximize egg production before dying.
A species of seed-feeding fly is critically damaging orchid seeds, threatening their reproduction. The fly reduces seed production by over 95% in five species, putting already-endangered orchids at risk.
A new study has detected BFDV in eight countries, raising fears for threatened species. The virus is believed to have originated in Australasia and can cause severe health issues in parrots.
A new tool developed by UBC researchers helps conservationists make data-driven decisions about which species to recover with limited funds. By analyzing empirical data and expert knowledge, the Priority Threat Management tool prioritizes conservation strategies for endangered species.