Articles tagged with Endangered Species
Research using thermal imaging found that numbats are prone to overheating during hot weather, with body temperatures exceeding 40°C. Their unique fur mechanism allows for heat exchange, but is limited by temperature and shade availability.
A global study reveals that shark fishing mortality is increasing globally, with over 100 million sharks killed annually, despite widespread regulations aimed at reducing finning. The study found that coastal fisheries account for 95% of total shark fishing mortality, with no decrease in catches between 2012 and 2019.
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 snail species, Xenassiminea nana, native to Japan's temperate zones, has been officially named following a comprehensive examination of its anatomical characters. The study highlights the species' unique traits, including its small size and distinct shell shape.
A genomic analysis of seized pangolin scales reveals that they were sourced from West and Central Africa, highlighting the complex pathways of illegal trade. The study's findings can inform conservation efforts and support enforcement measures to protect endangered species.
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.
Researchers from Florida Atlantic University's College of Engineering and Computer Science have developed a new AI method to accurately count manatee aggregations in real-time. The method uses images captured from CCTV cameras and outperforms existing baselines, offering potential ways to aid endangered species.
Researchers mapped crocodile family trees to shed light on their evolution and conservation. Climate change and competition played key roles in shaping modern-day crocodile diversity, with ecology being an unexpected factor in survival.
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
Imports of American eel fry for aquaculture in East Asia have reached an all-time high, threatening the already endangered species. The surge is driven by Japan's demand for two-thirds of its eel consumption, with the US and Haiti being major exporters.
A new study by the University of Zurich found that global shark and ray protection is inadequate, with crucial species playing vital ecological roles in maintaining biodiversity. The research identified 18 unique functional diversity hotspots concentrated along continental shelves and oceanic islands.
Researchers conducted extensive surveys and collected data from local communities, but found no evidence of Arabian leopards in Saudi Arabia. The study concludes that human-designed breeding programs and reintroductions are necessary for the recovery of leopard populations.
A recent study found that half of commercial caviar products in Europe are illegal, and some don't contain any trace of sturgeon. The research analyzed DNA and isotope patterns on 149 samples of caviar and sturgeon meat, revealing widespread poaching and violation of trade laws.
A recent study by RMIT University and the Marine Mammal Foundation has revealed alarming concentrations of PFAS chemicals in Burrunan dolphins off the coast of Melbourne and Gippsland, south-east Australia. The findings are the highest reported globally, with one juvenile dolphin found to have a PFAS liver concentration of 19,500 nanog...
A new study on bonobos finds that they form strong alliances and share resources across groups, paving the way for pro-social cooperative behaviors. Unlike chimpanzees, bonobo interactions are characterized by remarkable tolerance, allowing them to cooperate with members of different groups without conflict.
A study on the endangered coco de mer palm tree found that inbreeding depression may not be a major threat to its survival, contrary to previous assumptions. The researchers discovered that female trees prefer closely related kin to sire their offspring, suggesting outbreeding depression as a possible issue.
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 found that pollutants in green sea turtle eggs can feminize broods, increasing the risk of extinction due to a lack of males. The study suggests that climate change and pollution may be driving this trend, which could have severe consequences for the species' survival.
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 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.
Researchers found 22 globally threatened elasmobranch species in Cyprus' coastal waters, with simple measures like limiting net lengths crucial for sustainability. Local authorities have banned trading of 15 species, and conservation efforts are underway to protect the marine ecosystem.
A large USGS study assesses methylmercury in adult amphibians, finding it to be a toxic compound that bioaccumulates in animals as they feed. The study's results provide new methods and baseline data for assessing mercury risk in endangered species, including those listed under the Endangered Species Act.
New research reveals that endangered whales and dolphins inhabit the Hellenic Trench off Greece year-round, challenging seismic surveys and oil and gas exploration. The study confirms the presence of four species, including sperm whales, in both summer and winter, highlighting the need for conservation measures.
Two ancient species of whales, the North Atlantic right whale and the grey whale, disappeared from European waters centuries before industrial whaling began. Archaeological analysis of 719 whale bones reveals that early whaling had a devastating impact on these species.
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 new study published in Conservation Physiology identifies the critical limits of plant function under stress, enabling more effective conservation strategies. By understanding these limits, conservationists can identify vulnerable species and allocate resources more wisely.
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 study found that wildlife exits designed for ocelots in Texas were used by 10 mammal species, including bobcats and coyotes, to exit highways. The exits function as designed, but ongoing research aims to improve their effectiveness.
A recent study by the University of Exeter and Wildlife Conservation Society found tens of thousands of endangered sharks and rays are caught annually off the Republic of the Congo. Most of these species are juveniles and vulnerable to extinction.
A new species of gecko, Paroedura manongavato, has been discovered in Anja Reserve and Tsaranoro in south-central Madagascar. The species is found only in these two isolated forest patches and is considered Critically Endangered due to its narrow distribution range.
Research reveals that the illegal killing of orangutans on Borneo remains a significant threat to the species, with 30% of villages reporting killings in the last 5-10 years. Conservation efforts may not be effectively preventing killing and addressing human-orangutan conflict is crucial.
A recent study found that animals in the Greater Kruger National Park react with alarm to hearing human voices, fleeing waterholes and abandoning their habitat. The researchers used custom sound systems to compare the fear response of mammals to humans versus lions.
Researchers found that reducing the amount of gear in the water is more effective than dynamic approaches in minimizing whale entanglements and disruptions to the fishing season. A 30% reduction in gear emerged as the optimal course of action, addressing the problem directly and not relying on surveys or monitoring efforts.
Researchers analyzed 78 documented incidents of porpoise harassment by Southern Resident killer whales from 1962 to 2020. The study suggests three plausible explanations: mismothering behavior, limited opportunities to care for young due to malnutrition, and a specialized salmon diet that makes eating porpoises highly unlikely.
A new technology using facial recognition software is being used to monitor wildlife and improve animal welfare. The software was tested on Greylag Geese in Europe with 97% accuracy and found that geese approach images of their partners more quickly, giving friendly contact calls and feeding for longer.
Researchers have documented the development of bonnethead sharks, showing how their skulls widen and distort to form a hammer-like shape. The study provides insight into the formation of this unique feature, which is thought to amplify their field of vision and ability to detect prey.
A new study suggests that protecting large areas of land can help stem biodiversity loss, with vertebrates declining 0.4% per year inside protected areas compared to 1.8% outside. The study highlights the importance of proper governance for the success of protected lands and their role in conserving biodiversity.
A new EWG study reveals that humans can serve as sentinels for understanding the impact of toxic PFAS on wildlife health. The study's findings show that over 625 species, including fish, birds, and mammals, are contaminated with PFAS, highlighting the need to tackle these persistent chemicals.
The illegal wildlife trade is a significant financial portfolio that creates state-level security and development risks. Implementing AML laws and sharing intelligence with banks can boost IWT law enforcement. Countries like Singapore, UK, and Australia are making progress in combating money laundering and IWT.
Researchers have extracted ancient DNA from Caribbean parrots, revealing two species were more widespread and diverse in the past. The study helps explain how parrots became the world's most endangered group of birds, with many island populations gone extinct.
A Texas A&M research team found that a population of endangered red-crowned parrots is thriving in urban areas, with four main roosts in the Rio Grande Valley. The parrots' adaptability to human environments and lack of competition for food sources make them an unusual example of a species doing well in urban areas.
New research finds that pied tamarins increase scent marking in response to urban noise pollution, which affects their vocal communication. This adaptation may help them cope with the impact of human activity on their habitat.
Scientists have mapped the reproductive strategies and life cycle of an endangered coral species, offering a glimmer of hope for its recovery. The purple cauliflower soft coral's findings can inform conservation strategies and potential restoration efforts, including the creation of new coral colonies to repopulate areas of habitat.
Researchers have developed an AI-based camera alert system to detect endangered species like tigers and elephants. The TrailGuard AI system transmits images to park managers in real-time, enabling rapid responses to poachers or human-tiger conflicts.
Most of the world's largest flowers (genus Rafflesia) are now on the brink of extinction due to habitat destruction and lack of conservation efforts. The study highlights the need for a joined-up, cross-regional approach to save these unique plants.
A study warns that Brazil's hydroelectric power plants are threatening the Williams' side-necked turtle, which depends on rapids for survival. The study estimates that 30% of its habitat could be lost, heightening the risk of extinction due to highly suitable areas becoming increasingly rare and less interconnected.
A new study provides a comprehensive genetic dataset of the black rhinoceros, shedding light on its evolutionary history and population structure. The research reveals six major historical populations and four subpopulations, highlighting the impact of tectonic rifts and human activity on the species' genetic diversity.
A team of University of Connecticut undergraduates has published the first full map of the butternut's DNA, a process that could help conserve endangered species. The project is part of an ambitious effort to sequence the DNA of overlooked organisms, including deep-sea corals and critically endangered birds.
Researchers detected genetic diversity and population structure of invasive round goby fish using environmental DNA (eDNA) sampling. This technique helps trace the source of new invasive populations and prevent further invasion, enabling natural resource managers to take targeted action.
A new study found that a deadly frog disease, Perkinsea, is more widespread in Central Florida than expected, infecting over a third of sampled frogs. The disease is linked to cooler temperatures and higher precipitation, posing a concern for threatened species like the gopher frog.
Research finds that water movement between lakes can transport environmental DNA, making eDNA a promising tool for tracking aquatic species and monitoring biodiversity. The study highlights the importance of considering landscape connectivity when designing eDNA surveys to ensure accurate biodiversity assessments.
African lion populations are declining due to various threats including habitat loss, prey depletion, and human-wildlife conflict. A new study reveals the importance of considering both ecological and socio-political factors in conservation strategies.
A team of researchers used a novel methodology to investigate the impact of large mammal extinctions on their environments. They found that earlier biodiversity losses did not necessarily hinder mammal community functioning, but later losses were linked to changes in climate and vegetation patterns.
A new report highlights Vietnam's high reptile diversity, with 484 known species, including 74 threatened with extinction. The study recommends increasing breeding populations to maintain suitable numbers for restocking, and modern zoos can play a crucial role in conservation efforts.
A new study forecasts the impact of marine heatwaves on top ocean predators, revealing varied effects and potential redistributions across international boundaries. The researchers developed models to provide real-time predictions of how species shift during heatwaves, informing proactive climate-ready management strategies.
A comprehensive study reveals a 72% reduction in rare butterfly populations across Eastern Denmark, with only 158 sites remaining from 565 in 1993. The research highlights the need for improved habitat protection and management to safeguard these species.
Scientists have quantified a direct link between greenhouse gas emissions and polar bear survival, overcoming a loophole in the Endangered Species Act. The study provides a template for estimating the demographic impact of proposed GHG-emitting actions on polar bears.
A new study from the University of Washington and Polar Bears International reveals a direct link between cumulative greenhouse gas emissions and polar bear demographic changes. The study shows that reducing greenhouse gas emissions can help protect polar bears, with implications beyond just this species.
A breakthrough study on kākāpō population sequencing is helping New Zealand manage the health of this critically endangered species. The study reveals genetic characteristics crucial to survival and has massive implications for conservation genomics in other species.