Articles tagged with Endangered Species
Researchers analyzed 2.3 million camera-trap photos of tropical mammals, revealing consistent daily activity patterns across continents. Body size and diet are key factors influencing activity, with larger animals active during the day and smaller ones at night.
Research finds most Asian countries have failed to protect at least 17% of land by 2020, and the outlook for achieving 30% protection by 2030 is bleak. To meet targets, Asian countries need to increase their rate of establishing protected areas by up to six times faster.
The River Thames ecosystem has suffered a drastic decline in mussel numbers since the 1960s, with native species dwindling to nearly nothing. The invasive zebra mussel and Asian clam have also taken hold, further threatening biodiversity.
A new study reports that SharkGuard, a shark deterrent device, significantly reduces the number of blue sharks and pelagic stingrays caught in tuna fisheries. The technology emits a localized electric field around a baited hook, discouraging sharks from biting without getting hooked on other fish.
The NATURE FIRST project combines forensic intelligence and remote sensing technologies to monitor protected areas and detect human activities threatening biodiversity. The project aims to halt and reverse the decline of biodiversity in Europe by using predictive, proactive, and preventative capabilities.
A team of Berlin scientists has successfully grown stem cells and mini-brains from Sumatran rhino skin cells, paving the way for potential use in assisted reproduction. The next step is to create sperm cells that may help save the critically endangered species from extinction.
A team of scientists has made a breakthrough in growing stem cells and mini-brains from Sumatran rhino skin cells, which may help save the endangered species from extinction. The goal is to create sperm cells that can be used in artificial insemination, increasing the chances of successful breeding.
Research by a University of Texas at Austin doctoral candidate reveals that some American parrot remains may have been captured locally rather than imported from Mexico. The study suggests that the ecology of the past can be different from today's, and natural history collections are essential for research.
The Devils Hole pupfish has the lowest genetic diversity among known vertebrates, with 58% of its genomes identical. This lack of diversity may doom the species to extinction as climate change and human impacts increase.
A new review highlights the lack of understanding about non-game native transplant (NGNT) fish in the US, which can have significant impacts on ecosystems. Researchers urge anglers and aquarium hobbyists to take steps to prevent NGNT invasions, such as not releasing bait fish into different watersheds.
Researchers at the Royal Netherlands Institute for Sea Research found an upward trend in skate populations in the North Sea, with a significant increase off Scotland's north coast. The study also revealed that skates mainly eat shrimp, providing ecological potential for more fish to thrive.
A new study found that bats play a crucial role in protecting young tree seedlings from insect damage, with three times fewer bugs and five times more defoliation when bats are absent. The research reveals a mutually beneficial relationship between bats and oak trees, with bats serving as a key predator for insects that harm the trees.
A recent study predicts that over half of lesser-known species are in danger of disappearing. The researchers used machine learning to calculate the risk of extinction for thousands of data-deficient species, finding that as many as 85% of amphibians and around half of mammals and reptiles face an uphill battle.
Scientists have discovered a new species of scops-owl on Príncipe Island, characterized by its unique 'tuu' call. The population is estimated at around 1000-1500 individuals and is considered Critically Endangered due to habitat loss and the construction of a hydro-electric dam.
Researchers found that 90% of surveyed individuals did not recognize six out of seven endangered species. Increasing public knowledge and recognition can boost conservation support for these vulnerable animals. The study highlights the need for targeted marketing initiatives to change people's perception of lesser-known species.
A low-cost sensor disguised as a sea turtle egg can predict nest hatching time almost to the day. The TurtleSense system monitors nests remotely and detects synchronized developmental movement in real-time, enabling better decision-making for conservationists.
Researchers created iPSCs from Okinawa rail, Japanese ptarmigan, Blakiston's fish owl, and Japanese golden eagle for conservation. The cells can differentiate into various cell types, providing a valuable resource for evaluating disease risks and pollution.
A new type of satellite imagery with a spatial resolution of 15 cm has been used to detect and monitor critically endangered North Atlantic right whales. The technology allows for the identification of individual whales and their habitats, which will have significant implications for conservation efforts.
A new study reveals that losing endangered fruit-eating animals in the Atlantic Forest could severely disrupt seed-dispersal networks, leaving plants without an effective means to regenerate. Nearly 55% of specialist plant species rely solely on these frugivores for seed dispersal.
Researchers at the University of Zurich have successfully decoded the genome of Aldabrachelys gigantea, one of the world's two remaining giant tortoise species. The reference genome provides crucial information for breeding programs in zoos to represent genetic diversity and conservation efforts across East Africa and Madagascar.
A recent study published in PLOS ONE found that most species are not receiving protection until their populations are precariously small, dimming their prospects of recovery. The study also highlights the issue of inadequate funding for protecting threatened and endangered species, which has persisted for decades.
The study finds that many species are protected too late, with insufficient time to recover and breed, and with limited financial resources to support conservation efforts. This analysis highlights the need for improved policy and increased funding to effectively protect endangered species in the US.
Researchers have found evidence of genetic diversity in the prion protein gene of endangered Eld's deer, which could provide resistance to chronic wasting disease. The study suggests reducing the frequency of a variant associated with the disease and implementing strict management practices to prevent exposure.
Research identifies Colorado River flow decline as main cause of Salton Sea's shrinking, leading to increased salt and chemical concentrations. The study highlights the need for a watershed-centric approach to mitigate the environmental risks and health impacts of the Salton Sea's decline.
A study by University of Adelaide researchers found that more than three times the number of unregulated animal species are being imported into the US compared to regulated species. The trade in these species is putting them under increasing threat.
Research reveals forest elephants disperse seeds over long distances, aiding timber species regeneration. Logging can be part of conservation efforts when planned and legally conducted.
Researchers documented social ties between individual chimpanzees and gorillas that persisted over years and across different contexts. The study found enhanced foraging opportunities to be a key benefit of interspecies social interactions, with apes sharing knowledge of diverse plant species.
A study by Lund University found that cities negatively impact bird diversity in natural woodlands, with on average a quarter fewer species in urban forests compared to rural ones. This suggests that urban development can lead to biotic homogenization of woodland bird communities.
A study published in Science found that more than one-tenth of the world's terrestrial genetic diversity may already be lost due to climate change and habitat destruction. This could have serious implications for species' ability to adapt to climate change, highlighting the need for urgent conservation efforts.
Long-term monitoring data reveals previously undetected diurnal patterns in narwhal behavior, including changes in surface activity and diving patterns influenced by sea ice and squid migration. The study's method can be applied to assess the challenges faced by narwhals and other Arctic animals due to climate change.
A new noninvasive genetic survey technique allows researchers to identify salt marsh harvest mice and other small mammals without capturing them. The technique uses bait stations and genetics to collect fecal pellets from mice that come and go on their own.
Researchers found that unique coloration makes songbirds more sought after as pets, threatening their populations and the aesthetic value of nature. The study identifies nearly 500 bird species at risk due to their colors, emphasizing the need for sustainable trade regulations.
A UC researcher is using information technology to track and study the endangered little brown myotis bat species in Ohio. The team has established a summer roost at Clendening Marina, where they are collecting data on the population's size and trajectory.
A new study reveals that bats' diets are more similar than previously thought, with both species eating a variety of insects and agricultural pests. The research found that the northern long-eared bat tends to pick up larger prey items due to its gleaning strategy.
Researchers discovered pesticide-contaminated milkweed plants in retail nurseries across the US, threatening western monarch caterpillars. The study found an average of 12 pesticides per plant and 38% with residues harming migration and foraging abilities.
A new ASU study estimates that more than 1.1 million sea turtles have been illegally killed and trafficked between 1990 and 2020, with a slight decline in reported exploitation over the past decade. The majority of poached turtles came from healthy, low-risk populations.
Scientists discovered the rarest North American snake, Tantilla oolitica, locked in fatal combat with a giant centipede it swallowed. The CT scan revealed that the centipede's size was the final blow, cutting off the snake's air supply.
Researchers have identified eight new species of tiny brown geckos in Madagascar's rainforests, expanding our understanding of their distribution and evolution. The discovery highlights the importance of continued sampling across the region to uncover new species.
A team led by Jianxi Gao developed equations to measure and compare distances to tipping points across various mutualistic systems, allowing for the triage of declining ecosystems. This method enables the identification of areas that need intervention most urgently, providing a critical sense of urgency to mobilize resources.
A new study from the University of South Australia shows that captive frogs can be protected from the deadly fungus Batrachochytrium dendrobatidis (Bd) through natural skin shedding processes. However, captivity also reduces skin bacteria diversity and richness, potentially affecting the frogs' resilience to pathogens.
A study reveals that over 50% of mammal food web links have disappeared due to animal declines, leading to a collapse of global ecosystems. Restoring extinct species to their historic ranges holds great potential to reverse these declines and restore food web complexity.
A new DNA extraction technique has enabled researchers to analyze genetically diverse mollusc species from museum collections, shedding light on their evolutionary history and informing conservation management. The method's success opens up novel research avenues, particularly for endangered or never-before-seen-alive molluscs.
Researchers from the University of Copenhagen and Aarhus University have discovered new insights into the coelacanth's unique physiology, including its ability to swim upside down. The study used CT and MRI scanners to model the fish's body, revealing a special skeleton and precise distribution of fatty tissue.
The comprehensive U.S. tree species assessment highlights the need for conservation efforts to protect America's native trees. With 11-16% of tree species threatened with extinction, invasive pests and diseases are identified as the primary threats, emphasizing the importance of collaborative conservation strategies.
Conservationists deployed wooden nest boxes to provide shelter for Roseate Terns, resulting in a tenfold increase in breeding pairs. The strategy also boosted other colonies in Wexford and England.
Michigan State University researchers forecast future breeding grounds for monarch butterflies in the Midwest and Ontario, Canada, to guide conservation efforts. The team's data-informed predictions suggest that eastern monarch populations will continue to decline under current climate change scenarios.
Oregon State University scientists suggest using federal lands in 11 states to establish a wolf habitat network, potentially triggering powerful ecological effects. Beaver restoration is also proposed to repair degraded riparian areas, providing habitat for up to 70% of wildlife species.
The first global dataset of SARS-CoV-2 infections in animals has been published, providing a comprehensive overview of the virus's impact on animal populations worldwide. The dataset shows an increasing number of reported cases globally, with high diversity of variants detected in various species.
Researchers found 61 out of 86 species threatened with extinction, with coastal sharks facing greatest conservation concern. Increased protections and international trade regulations are crucial to prevent extinctions among these species.
A team of researchers, led by UTA biologist Eric Smith, has identified six new species of miniature frogs in Mexico. These tiny amphibians have evolved to retain juvenile characteristics, limiting their adult growth and size.
A new study investigates how birds experience neophobia, which could play a vital role in helping to save Critically Endangered species. The research gathered data on the behavior of captive Bali myna birds, revealing that juvenile birds may be more suitable for reintroduction than adults.
Researchers found that an elephant's folded skin plays a crucial role in its flexible and strong trunk, enabling it to grasp fragile vegetation and rip apart tree trunks. The study suggests that wrapping soft robotics with a skin-like structure could give machines protection and strength while maintaining flexibility.
New research reveals that over half of threatened species require targeted recovery actions to ensure their survival. The study found that while expanding protected areas and reducing pollution will benefit many species, 57% would still need specialized interventions such as captive breeding, reintroduction, and vaccination.
A global survey of biodiversity experts finds that more species are threatened with extinction than previously thought, with estimates suggesting 30% of species have been lost since 1500. The study identifies climate change, pollution, and land-use changes as key drivers of biodiversity loss.
A new platform called MoveApps enables scientists and wildlife managers to explore animal movement data with little more than a device and a browser. The system uses open-source code and allows users to create complex analyses with simple clicks.
A recent study by Xi'an Jiaotong-Liverpool University provides a method to help farmers and policymakers decide whether organic farming is beneficial for the environment. The researchers analyzed international studies to find a threshold where organic farming's biodiversity gain outweighs its land requirements.
The IPBES assessment report reveals that billions of people rely on wild species for food, energy, and income, with 10,000 species harvested for human consumption. However, the report warns that unsustainable use is threatening the survival of these species, driven by drivers such as land changes, climate change, and pollution.
Researchers have discovered a lone Quercus tardifolia tree in Big Bend National Park, Texas, which was thought to be extinct. The tree's poor condition highlights the urgent need for conservation efforts to protect its genetic variation and adapt it to environmental changes.
Researchers highlight the importance of linking carbon conservation with threatened forest primates, which could enhance climate action and biodiversity protection. The study found that 15.5 gigatonnes of irrecoverable carbon are stored in areas with high primate species richness, equivalent to 40% of current annual fossil fuel emissions.
Three African vulture species have significantly larger home ranges than existing protected areas, increasing exposure to human-related food sources and environmental toxins. Conservation efforts require addressing challenges outside protected areas.