Articles tagged with Endangered Species
A new study reveals that many Vietnamese orchid collectors are unaware of the dire status of endangered species and the harm caused by over-harvesting. The researchers suggest targeted awareness campaigns and collaborations can transform these collectors into key conservation allies.
A new study found that the Kirtland's Warbler's home range and core area are linked to vegetation age and food resource distribution in the Bahamas. Conservation efforts at a landscape scale are necessary to sustain patches with sufficient food resources for this near-threatened species.
Researchers analyzed DNA in fecal samples to determine the diet of Alaska and southern resident killer whales. They found that both populations prefer salmon, but differ in when they switch to hunting other fish species. The study provides key insights into the delicate balance between regional abundance of different fish species.
Researchers discovered that seabirds like albatrosses and penguins have sensory receptors and nerves in their beaks that could aid in finding food. This ability might enable the birds to detect tiny vibrations from potential prey, potentially helping conserve these critically endangered species.
The European Reference Genome Atlas pilot project successfully assembled high-quality reference genomes for 98 European species, including the Cretan wall lizard and Aristotle's catfish. These genomes will enable scientists to make accurate assessments of endangered species' genetic status and inform conservation actions.
A study published in PNAS estimates that over 3,000 species are at risk of extinction due to earthquakes, hurricanes, tsunamis, and volcanic eruptions. The researchers found that 42% of these species live in regions where one or more of the four natural hazards have occurred in the past 50 years.
The kākāpō evolved two color types to avoid detection by Haast's eagle and Eyles' harrier. Genome sequencing shows olive feather coloration emerged around 1.93 million years ago, coinciding with the evolution of these predators.
Underwater noise pollution from human activities significantly impacts the ability of orcas to hunt successfully in the Salish Sea. The study found that increased ambient noise levels, particularly around vessel propellers, interfere with echolocation behavior and hunting efforts. This hindrance affects females more than males, potenti...
Conservation efforts focused on 25 EDGE Zones could protect one-third of threatened and unique tetrapod species. The study identifies areas with high levels of evolutionary distinctiveness and global endangerment as key to saving these species.
A recent genomics study of prairie chickens in five states has found evidence of hybridization between the two species, with no clear indication of genetic problems. The study suggests that these species may belong to the same species and challenges wildlife management nationwide.
A new prediction by Nicolas Loiseau and colleagues reveals that 12.7% of marine teleost fish species are at risk of extinction, up from the IUCN's prior estimate of 2.5%. The study analyzed nearly 5,000 species without an IUCN conservation status due to insufficient data.
A study by Florida Atlantic University and the University of Tübingen found that rainfall cools beach surfaces and enhances moisture for egg development, making it a crucial factor in determining hatchling body size. The research suggests that global warming may shorten incubation periods and disrupt growth, affecting sea turtle survival.
Over a 22-year period, researchers found significant cultural changes in the dialects of yellow-naped amazon parrots, including shifting dialect boundaries and new call variants. The findings suggest that the species' vocal learning ability may serve an adaptive role in responding to changing social dynamics.
Brooke Flammang's Fluid Loco Lab at NJIT will develop non-invasive tag attachment technology for near real-time tracking of North Atlantic right whales. The project aims to improve conservation and regulation policy decisions with accurate predictions on whale distribution and habitat use.
Scientists equipped Australian sea lions with cameras and analyzed the footage to identify six benthic habitats in southern Australia. The study used machine learning models to predict large habitat areas across the continental shelf, contributing to a better understanding of the region's seabed diversity.
A study found that invasive cicad aulacaspis scale alters leaf litter decomposition dynamics of cycad species, releasing nutrients too quickly. This damage threatens ecosystem balance and conservation efforts in invaded islands.
A new study reveals that mining activities pose a significant threat to vertebrate species worldwide, with over 4,642 species at risk. The main drivers of this threat are mining for materials essential to clean energy technologies like lithium, cobalt, and limestone.
A recent study published in Science Advances found that the most threatened reef fishes receive less attention from scientists and the public due to commercial value vs. ecological importance. Small fish families like blennies and gobies are underrepresented despite their crucial role in trophodynamics.
A study found hundreds of wild bat specimens being sold on Etsy and eBay as jewelry and decorations, threatening the painted woolly bat's conservation status. The trade's impact is exacerbated by the bats' slow life history and declining global populations.
A UCF biologist has compiled a database of animal DNA to study the presence of magnetic bacteria, which may aid in navigation and conservation. The database contains hundreds of millions of genetic sequences showing the presence of various types of magnetic bacteria.
The Key Largo tree cactus has been declared extinct in the US due to sea level rise, with saltwater intrusion and soil depletion causing significant pressure on its limited population. Researchers have salvaged fragments of the plant to cultivate it off-site for conservation.
Researchers from Max Planck Institute tracked the heart rates of male common noctule bats during flights, revealing a significant increase in heart rate from 6 to 900 beats per minute. The study found that bats consume up to 42% more energy in summer compared to spring, and develop unique strategies to survive in different seasons.
A recent study finds semi-natural habitats play a crucial role in conserving pollinator diversity, outpacing the impact of pesticide use. The research suggests that prioritizing habitat conservation can be more effective than reducing pesticide application in rice fields.
Scientists have developed a near chromosome-level genome for the Mojave poppy bee, which is a specialist pollinator of conservation concern. The genome assembly will help researchers understand the bee's biological traits, including host-plant specialization and susceptibility to pesticides.
A study published in Nature has found that artificial heat shelters can significantly reduce chytrid infections in frogs, allowing them to co-exist with the deadly disease. The simple intervention uses readily available materials and can be easily scaled up for community involvement.
Conservationists and researchers propose preserving just 1.22% of the Earth's surface to protect threatened species from extinction, safeguarding wildlife for future generations. Protecting these sites could cost around $34 billion per year, but represents less than 0.2% of US GDP.
Researchers identified 16,825 Conservation Imperatives covering 164 Mha, which could prevent all predicted extinctions if adequately protected. Protecting these sites would cost approximately $34 billion per year and represent less than 0.2% of the US GDP.
A study found that heath goannas are more effective in removing blowflies from the landscape than introduced European mammals. This reduces the emergence of 'fly strike', a disease affecting sheep, and has significant implications for the Australian sheep farming industry.
Researchers have identified over 3,700 species threatened by natural disasters, highlighting the urgent need for conservation efforts. The study suggests strategies such as captive breeding programs and translocation to prevent extinctions.
Researchers found 8% of sold sea cucumbers as threatened brown species, linked to overharvesting. Genetic analysis suggests widespread availability poses a threat to biodiversity loss in NYC Chinatowns.
Researchers found sharks maintained high levels of functional diversity for most of the Cenozoic era before declining over the last 10 million years. The decline is attributed to the loss of ecologically unique species, including the megalodon, a key apex predator.
Despite improved molecular methods, trade in endangered sharks and rays has continued to rise, with 83% of detected species considered at risk of extinction. Research reveals that DNA sequencing techniques have become more cost-effective but failed to reduce the extent of species threats.
A new study finds that two-thirds of critical bird habitats are at increased risk from cocaine trafficking activities. The study highlights the unexpected connection between drug trafficking and biodiversity, revealing that areas with growing levels of cocaine trafficking become more attractive to migratory birds.
A new study analyzing historical data on biodiversity and climate for North America reveals a significant negative impact of climate change on birds. Specialist and migratory species are particularly at risk, with projected declines ranging from 2-16% by century's end due to habitat loss, pollution, and changes in food supply.
Researchers confirmed that elephant calls contained a name-like component identifying the intended recipient through machine learning analysis. Elephants responded affirmatively to calls addressed to them and less so to those meant for others, suggesting an ability to learn and use arbitrary vocal labels like humans.
A Penn State-led study found that female giraffes have proportionally longer necks than males, suggesting high nutritional needs drove the evolution of this trait. Giraffes adapt to reach leaves in trees by using their long necks, allowing females to access food with increasing demands as they mature.
A new model predicts a decrease in species diversity by 39% due to climate change, compared to traditional models' forecast of 54% loss. The study reveals that some species may better tolerate climate change than expected, with 49% of species living in climate niches that could expand under warming conditions.
Researchers have generated complete 'end-to-end' reference genomes for the sex chromosomes of five great ape species, highlighting enormous variation on the Y chromosome. The findings inform understanding of diseases related to genes on these chromosomes in both apes and humans.
A new study found that 62% of Marine Protected Areas (MPAs) designated to protect rare migratory fish species are outside of their core habitats. The study suggests that existing MPAs are not adequately protecting these species due to a lack of data on their distribution and habitat.
The study reveals remarkable variation between primate Y chromosomes, showing rapid evolution and previously unstudied regions. The researchers found that over 90% of ape X chromosome sequences aligned to the human X chromosome, while only 14-27% of ape Y chromosome sequences aligned to the human Y chromosome.
A study using crowd-sourced data from iNaturalist found that slugs and snails are more common in urban areas than other native species. In contrast, butterflies and moths were the least tolerant of urban environments. The analysis provides valuable insights for city planners to increase urban biodiversity.
A new study highlights the human impacts of endangered species mating with domestic relatives, causing economic loss and death. Conservation efforts are also overlooked for marginalized pastoralist populations, who often lack effective defense against aggressive wild males.
Researchers found isolated refuges in cities where species like wrentits, mourning doves, and gopher snakes thrive. Urban planning initiatives can support more biodiversity by creating habitat for species that avoid cities.
A deadly epidemic discovered last year in the Red Sea has spread to the Indian Ocean, annihilating most sea urchin populations and threatening coral reef stability. The researchers identified a scuticociliate parasite as the cause of the mass mortality.
Researchers have created a more stable environment for incubating eggs, increasing the probability of successful hatching from 10% to 41%. The innovative design uses moss and lichen in rocky barren landscapes, helping to combat habitat loss and degradation.
A new study by York University finds that community science programs, such as Bumble Bee Watch, play a crucial role in monitoring bumble bee distributions and detecting endangered species. The program provides valuable data on bee populations, habitats, and distribution patterns, complementing traditional scientific methods.
A study found that releasing captive-bred animals with diverse genes into the wild can help recover the dwindling Arabian leopard population. The researchers used genetic analysis and computer simulations to forecast the best plan for 'genetic rescue' and alleviate inbreeding, which poses a severe threat to the species.
A new pupfish family member has been discovered in New Mexico through genetic analysis. The study found that genetic drift was the primary driver of speciation, rather than natural selection. The researchers sequenced the entire genome of individual pupfish and compared them to previous genetic sampling.
A new study reveals how the Ukraine war affected migratory eagles' behavior, with altered routes, reduced refuelling sites usage, and longer migration times. Researchers found that the conflict events exposed the birds to artillery fire, soldiers, and displaced civilians.
A new feather mite species, Metanalges agachi, has been discovered on the endangered Okinawa rail in Japan. The mite helps clean the bird's feathers by feeding on oil, fungi, bacteria, and debris, ensuring its survival is tied to that of its host.
A global research team suggests that all eight baobab species originated in Madagascar due to genomic analysis. The most likely scenario is that baobabs dispersed from Madagascar when sea levels were lower, but rising sea levels could hinder their expansion and threaten their populations.
A new study has confirmed that killer whales take only one breath between dives, providing insights into their unique physiological habits. The researchers used drone footage and biological data from tags to gather information on the animals' habits, revealing that residents spend most of their time making shallow dives.
A study by Macquarie University found 70% of shark meat sold in Australian markets was mislabelled, including threatened species. The research highlights the need for improved labelling standards and enforcement to support sustainable consumption.
Scientists have discovered a previously unknown population of the Australian brook lamprey, an ancient and endangered species, in Queensland. The find expands the species' geographic range into truly tropical waters, highlighting the need for conservation efforts to protect this unusual fish.
Researchers used machine learning algorithms to analyze acoustic recordings of marbled murrelets, determining a high accuracy rate exceeding 90% in detecting the species. This method offers a more efficient and labor-intensive way to monitor rare species like the threatened marbled murrelet.
Researchers emphasize that field stations studying primates contribute to biodiversity conservation by deterring poaching, deforestation, and natural resource extraction. The authors call for increased funding and support for red colobus conservation efforts.
The study found that European bison prefer woody plants in autumn and winter, while red deer eat more woody plants than other species. Fallow deer have a higher consumption of legumes and herbaceous plants compared to the bison.
A new laser-based approach using Raman spectroscopy can quickly and non-destructively identify elephant ivory from legal mammoth tusk. The technology has been shown to provide accurate species identification, offering a valuable tool for customs enforcement and combating the illegal ivory trade.
A new Harvard study reveals that male bonobos engage in more acts of aggression than chimpanzees, contrary to their peaceful reputation. The researchers found that bonobos exhibit less sexual coercion and violence towards females, but more frequent 'squabbling' among males.
Researchers observed a rare instance of lemur predation by a fosa in the Betampona Strict Nature Reserve. The impact of this predation, combined with low reproductive rates and genetic isolation, poses significant threats to the survival of critically endangered lemurs.