Articles tagged with Endangered Species
A new bird species, Fregetta lineata, was discovered in New Caledonia and is believed to be critically endangered. With an estimated population of 100 to 1,000 pairs, the species is already threatened.
Mountain gorillas are increasing their water drinking frequency as temperatures rise due to the climate crisis. This shift could lead to parasite and human disease exposure, and is a concerning sign for the species' survival.
A recent study published in Frontiers in Marine Science found that 31% of pet food products from Singapore contained shark DNA, highlighting the prevalence of ingredient mislabeling. The researchers suggest implementing global standards for pet food labels to avoid overexploitation of endangered sharks.
The EPA has introduced a new policy to evaluate the impact of pesticides on endangered species before new products are introduced to the market. The policy requires consultation with wildlife services and aims to mitigate adverse effects, but challenges remain due to differing approaches and thresholds between agencies.
Researchers from University of California - Davis found that ultrasounds can detect when abalone are ready to spawn without touching them. The technique creates a gonad index score ranging from 1 to 5 indicating readiness for reproduction.
Researchers analyzed 280 confirmed sea turtle entanglements in Massachusetts waters and found that quickly reporting incidents can improve survival rates. The study highlights the importance of complete disentanglement to minimize injury and promote survival, with many turtles being alive weeks to years after being disentangled.
A new analysis has identified common demographic and life history traits among species at risk of extinction. The study found that these traits contribute to patterns of vulnerability, with some species exhibiting higher extinction risks due to factors like smaller population sizes and slower reproductive rates.
Camera trap surveys in six sites across the Annamite Mountains have provided new insights into the occurrence and distribution of two threatened species, the Annamite striped rabbit and dark muntjac. The study identified factors influencing their presence, including elevation and proximity to human settlements.
Researchers at the University of Copenhagen have developed an AI method to recognize and detect insect species based on their wingbeats, enabling easier monitoring of biodiversity. The method uses infrared sensors to measure wingbeats and group insects into different species without human input.
Scientists use AI to analyze images of wildlife for crucial data, helping track endangered species and combat extinction. A new field called imageomics extracts biological information from images, providing insights into animal movements, population trends, and evolutionary adaptations.
A framework identifies most vulnerable marine species from climate change, pollution and fishing threats. The research reveals hard creatures like sea urchins are severely affected by these impacts.
A team of scientists used genetic testing to uncover the tactics of international criminal networks behind ivory trafficking out of Africa. The analysis linked most large ivory shipments to a handful of interconnected smuggling networks, expanding efforts to track and seize illicit shipments.
A new study suggests that implementing primary pandemic prevention actions, such as better surveillance and wildlife management, can reduce the economic costs of emerging infectious diseases by up to 10%. These actions have a substantial co-benefit of preventing carbon dioxide emissions and conserving water supplies.
Researchers discover unique bat-pollination system in Fiji's kuluva trees, highlighting co-dependence between species and urgent conservation needs. The novel chiropteropisteusis system sheds light on the evolution of flowering plants and threatens tree and bat species.
Research by UC Berkeley biologists highlights the importance of conserving harlequin toad diversity due to the loss of potential pharmaceuticals. A review of 113 species found that only 16 have been studied for toxins, and many are in decline or extinct.
A new study reveals that South and Southeast Asia's native tree diversity is at risk of extinction, with only 10% of ranges suitable for conservation. Coordinated conservation and restoration efforts are critical to prevent further destruction and biodiversity loss.
A study from North Carolina State University demonstrates the accuracy of a less invasive technique for monitoring wildlife health using dried blood spots. Researchers found that this method is comparable to traditional techniques, allowing for easier and less stressful data collection from wild populations.
A study of 118 conservation units in Brazil found that 60% use unsuitable methods to detect deer presence. Visual analysis of droppings, fur, and footprints is a reliable method for most species, but others require DNA testing or camera traps.
The study found that most USSE facilities were installed on grasslands, pastures, and agricultural lands, potentially impeding Florida panther dispersal. Restoration of dispersal corridors and gene flow is critical to the species' survival, benefiting biodiversity and resiliency at the landscape-scale.
A new study by Emory University found that international trade bans on endangered species generally benefit mammals but harm reptiles. The researchers discovered large spikes in legal trade for reptilian species before bans were implemented, which may explain the differential impact of the bans.
A new study found that Tasmanian devils have picky diets and only consume their favorite foods, unlike most other scavengers. The researchers tracked the eating habits of 71 devils using whisker samples and found that most devils choose to dine on specific foods.
The £10m Leverhulme Centre for the Holobiont aims to map associations between microbes and higher organisms to understand how they support each other. This knowledge can help manipulate the relationship to save species from extinction, grow crops more efficiently and restore habitats.
Two independent research groups use airborne environmental DNA (eDNA) to detect a wide range of animal species, including those in zoos and beyond. The technique shows promise for monitoring biodiversity and conservation efforts, especially for vulnerable or endangered species.
Researchers discovered that California mice consume monarch butterflies, which could disrupt ecosystems due to declining western monarch populations. The study highlights the interconnectedness of species and the importance of conservation efforts to protect native animals.
Researchers at the University of Illinois developed a new bat box design that provides more thermally appropriate roosting spaces for bats. The 'rocket box' style, with modifications to length and insulation, helps reduce the risk of overheating and provides space for bats to move and avoid extreme temperatures.
A group of Croatian students used photographs from iNaturalist to describe a new species of pygmy grasshopper, challenging traditional methods. The study highlights the potential of citizen science and encourages people to engage with nature to raise awareness about conservation.
Researchers identified 187 North Atlantic right whales in the Gulf of St. Lawrence, a 40% segment of the catalogued population, with most returning every year for up to 5 months. The study highlights the importance of the Gulf as a habitat and provides valuable information for developing protection measures.
A team of researchers has developed a deep-learning model that can count the number of seals in aerial photos considerably faster than manual identification, allowing for more efficient ecological surveys. The new approach eliminates the need for labeling individual animals and can be applied to various types of objects or animals.
Researchers found that topical ivermectin treatment is highly effective against hookworm infection in Australian sea lion pups, with a success rate of 96.4 percent. Early treatment before disease development significantly improves overall survival rates.
Researchers highlight the need for disease transmission assessments and mitigation measures to prevent pathogen spread from humans to wild animal populations. The study's recommendations include disease risk analysis to identify gaps in data and minimize the risk of disease transmission.
Researchers examined social media posts promoting live bird sales from West Africa, finding 83 species for sale, including endangered parrots. Social media platforms must work with wildlife experts to detect harmful content, as algorithms alone are not enough.
Researchers found two prion gene variants in Père David's deer that may reduce susceptibility to CWD. The genetic variants were surprising given the population's small founder size and conserved prion protein gene. Studies are needed to confirm whether these variants provide protection against CWD.
A new study suggests that larger conservation areas are ineffective in protecting threatened species in central Africa, citing a lack of funding and resource management issues. The research found that broader conservation efforts often led to decreased populations due to the lands being too large to manage effectively.
A new study found that female bushbabies experience sharper increases in glucocorticoid hormones than males, indicating they may be under more stress and have less wiggle room to survive in a changing environment.
Researchers confirmed the presence of dentin and enamel in the teeth of Gastrotheca guentheri, a species long believed to have lost this trait. The discovery challenges Dollo's Law, which states that lost traits are never re-evolved.
A study quantifying Nigeria-linked seizures of pangolin products suggests levels of trafficking are far greater than previously thought. Researchers found 190,407 kilos of scales taken from at least 799,343 animals, with 77 seizures analysed revealing connections to ivory-smuggling networks.
A new study combines water-quality data with satellite imagery to estimate the full extent of water-quality degradation from mountaintop removal mining. The research found that chronic and acute toxicity thresholds for chemicals were exceeded thousands of times in areas far removed from mines.
Researchers found that roads can be deadly for species survival, with certain traits like early age of sexual maturity helping some species bounce back from roadkill deaths. However, others like brown and black bears are particularly vulnerable due to late maturity age and small litters.
A team of scientists tracked individual endangered Indiana bats and northern long-eared bats to understand their foraging behaviors and habitat preferences. The results show that most timber harvest strategies are neutral or even positive for the bats, with smaller patch cuts and thinning being compatible with conservation.
A recent study found that whale sharks in Panama may originate from the Arabian Gulf and Western Indian Ocean, highlighting their ability to travel long distances. This discovery underscores the need for transboundary conservation measures like marine corridors to protect this endangered species.
A modelling study suggests that COVID-19 could lead to the collapse of a population of mountain gorillas living in Volcanoes National Park. The risk is higher due to lower availability of treatments for gorillas, but measures like mask-wearing and vaccination can limit transmission.
Researchers monitored the temporal niche partitioning of 73 cameras over six years in Malaysia's Sabah state. The study found that some species, like wild cats and civets, segregate their activities by time of day to avoid competition.
A new study finds that the 2019-20 Black Summer bushfires increased the number of threatened Australian native bee species by nearly five times. The research assesses the long-term environmental damage from the natural disaster and highlights the need for urgent conservation action.
Camille Goblet is conducting genomic analysis to strengthen zoo management and save the critically endangered black rhinoceros from extinction. The project will aid in establishing pedigree and understanding species' adaptability to different environments, informing strategies to conserve the species.
A new study reveals that male giraffes have higher social connectedness than females, with males forming more acquaintances and older males having shorter social paths. This complexity could impact conservation efforts for endangered giraffes.
Researchers developed a new, accurate method to detect North Atlantic Right Whale up-calls using Multimodal Deep Learning algorithms. The technology outperformed conventional methods in detecting up-calls, non-up-calls, and false alarms.
A recent study found that roads can extend the impact zone for western chimpanzees by an average of 17.2 km from major roads and 5.4 km from minor roads. This results in a significant decrease in population density, with the species facing mounting pressure from infrastructure expansion.
Researchers at Kyushu University successfully reconstitute the ovarian follicle from mouse stem cells, generating functional egg cells and growing viable mice. This breakthrough could lead to new treatments for infertility and help conserve endangered animals through egg cell production.
Elizabeth Freeman's project aims to aid management and conservation of critically endangered black rhinoceros through genetic analyses. The study will strengthen zoo management by facilitating strategies to save the species from extinction, with data also informing understanding of environmental responses.
Despite 10,000 years of inbreeding, the kākāpō genome sequencing reveals that the species has lost potentially deleterious mutations and now carries fewer harmful mutations than extinct mainland populations. This finding suggests that natural selection may have facilitated genetic purging in small populations.
Researchers successfully used cryopreserved sperm to fertilize coral eggs from hundreds of miles away, demonstrating the reproductive compatibility of distant coral colonies. The technique, known as assisted gene flow, has potential as a conservation tool for endangered corals and could accelerate their adaptation to climate change.
A study published in Biological Conservation enlisted the help of 80 citizen scientists to collect 1500 naturally detached Posidonia shoots washed up on the beach after storms. The 'Storm Squad' successfully rehabilitated populations of NSW's endangered Posidonia australis, with most transplanted fragments producing new shoots after on...
Researchers used flight efficiency estimates from museum specimens to predict bird dispersal distances, revealing that species with elongated wings can disperse farther. This study has applications in biodiversity conservation, as reduced flight capabilities may threaten bird populations.
A comprehensive list of threats to Australian plants and animals reveals stark news about the future for some iconic species. The study provides precise data to better direct conservation efforts, categorizing and addressing threats like habitat loss, invasive species, and climate change.
A Cornell-University of South Carolina-led report warns that warming oceans are driving North Atlantic right whales towards extinction. The calving rate has declined by 26% since 2010, with the population now estimated at just 356 whales.
A systematic review of 169 conservation projects worldwide reveals that Indigenous and local communities are crucial for successful nature conservation. The study found that equitable conservation approaches, empowering local communities, yield positive outcomes for both humans and the environment. However, complex factors such as comm...
Researchers in Peru have estimated the population density of spectacled bears and identified an unknown hotspot, revealing over 10 bears per 100 square kilometers. The team also observed the first 'golden' bear with nearly golden fur, sparking further investigation into its unusual characteristics.
A study by University of Adelaide researchers found that unregulated reptile trade in the US drives demand for illegal reptiles in Australia. Three reptile families had the highest probability of being smuggled, with species listed in CITES Appendices I having a higher smuggling probability
A new study highlights how rapid climate change and extreme events are accelerating species extinction risk, particularly for emperor penguins. The research proposes listing the species as threatened under the Endangered Species Act to support conservation efforts and mitigate climate change impacts.
Chapman's Pygmy Chameleon, one of the world's rarest chameleons, has been found in surviving patches of forest in Malawi. The species was feared extinct due to forest loss and habitat fragmentation, leading to reduced genetic diversity and increased extinction risk.