Articles tagged with Endangered Species
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 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 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 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 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.
Domestic dog attacks on mountain tapirs in Colombia's cloud forests threaten their physical wellbeing and reproductive performance. Conservationists urge population management and control of domestic dogs to protect these endangered species.
A new species of aquatic insect, Potamophylax kosovaensis, has been discovered in the Ibër River Basin in Kosovo. The species is already considered endangered due to habitat destruction and pollution, highlighting the need for urgent conservation efforts.
Researchers used newly analyzed data to predict and help avoid whales' harmful exposure to commercial fishing and vessel strikes. The study mapped the density of one of the most endangered large whale species worldwide, the North Atlantic right whale.
A landmark study by Macquarie University researchers shows that juvenile 'taster toads' can teach goannas to avoid eating poisonous cane toads, preventing population collapse. Goanna populations increased by up to 140% in areas where the 'taster toad' method was trialled.
A recent study found that 78% of the world's bird species struggle to thrive in heavily modified environments, leading to declining populations and increased risk of extinction. Conservation efforts can be targeted towards species most sensitive to human activity, such as the Great Snipe and Nkulengu Rail.
The study revealed three genetically distinct populations of rusty-patched bumblebees, highlighting the need for tailored conservation efforts. The analysis showed low colony abundance and high rates of inbreeding, threatening the long-term viability of the species.
Researchers have discovered a virus that infects the fungus Batrachochytrium dendrobatidis, which causes heart failure in frogs and toads. The virus could be engineered to control the fungal disease and potentially save amphibian species.
Researchers analyzed DNA markers to discover potential new scrub mint species and found evidence of cryptic diversity. The study highlights the unique evolutionary history of these plants, which thrived in harsh conditions but lost adaptability.
A recent study suggests that Canada lynx had a broader past range in the US, potentially including parts of Utah, central Idaho, and Yellowstone National Park. The researchers used a validated model to estimate the species' historic distribution, taking into account factors such as climate change and land use.
This study used a community-based participatory approach to assess the stock dynamics of glass eels in West Java, Indonesia. The project improved data collection and contributed to sustainable glass eel fisheries, opening up possibilities for global improvement.
Researchers created a model to predict extinction likelihood based on human hunting and environmental pressures. The model accounted for interactions between humans, animals, and their environment, considering factors like climate change and life history traits.
Two well-known killer whale ecotypes in the North Pacific Ocean have been identified as separate species through genetic and behavioral evidence. The resident and Bigg's killer whales have distinct physical characteristics, diets, and cultural habits, justifying their recognition as distinct species.
A new study has discovered a previously hidden diversity of rays that lived 150 million years ago. The research, led by Julia Türtscher from the University of Vienna, reveals five species of holomorphic rays in the Late Jurassic period, including a new species named Aellopobatis bavarica.
A new species of freshwater dolphin, Pebanista yacuruna, was found in the Peruvian Amazon region and is dated to be 16 million years old. The discovery sheds light on the evolutionary history of freshwater dolphins, revealing a deep connection with South Asian river dolphins.
Researchers found high genetic diversity in Cape lions prior to their extinction, contradicting colonial descriptions. The study suggests that the species exhibited significant phenotypic variation, including diverse mane coloration.
The sequencing of the blue whale and Etruscan shrew genomes has provided significant insights into developmental biology, with the largest mammal showing a surprisingly slow developmental clock. The study also sheds light on metabolism, with the tiny shrew serving as a model for understanding high-energy demands.
A new study at Georgia Aquarium reveals belugas have big caloric needs to maintain their cold-water lifestyle, limiting their ability to escape human disturbances. The data will inform management decisions for Cook Inlet belugas and help create predictive energy models to evaluate the impact of human activities.
A new study published in Proceedings B of the Royal Society found that every injury from rope entanglements impacts North Atlantic right whale population recovery. Modelling data shows female whales who get tangled in fishing gear are less likely to calve, potentially leading to extinction.
A new study proposes three measures to improve the EU's response to illegal wildlife trade, including creating a database of all species trade and establishing regulations to prohibit the import of illegally captured specimens. The proposals aim to transform the EU into a model of environmental protection concerning wildlife trade.
Researchers at Curtin University have discovered a new potential predator for the endangered western spiny-tailed skink, raising concerns about the susceptibility of similar-sized juvenile lizards. The spotted mulga snake's consumption of a pygmy spiny-tailed skink suggests that these snakes may also prey on vulnerable juveniles.
Researchers at San Diego Zoo Wildlife Alliance have made a groundbreaking discovery that establishes individual baseline values for African elephant blood cell counts, enabling earlier detection and intervention of clinical EEHV infection. This study provides a tool for elephant care facilities to improve preventive medicine and lifesa...
Genetic research revealed many new fern species in tropical America, with 18 newly named and described species. The study found that similar-looking species were previously thought to be a single widespread species.
Conservationists have initiated a breeding program in Vietnam to recover the spotted softshell turtle population threatened by overconsumption and habitat loss. The species is critically endangered, with no populations found in protected areas, highlighting the need for further conservation efforts.
A new protocol has been implemented, compensating loggers to leave kite nesting sites alone. The results show that 37 young raptors were saved over 7 years. This innovative approach demonstrates the benefits of dialogue between public and private sectors in conservation.
Scientists studied thousands of public photos to track humpback whale populations, finding they're responding to food availability changes affected by climate change. The population declined by 7,000 individuals from 2012 to 2021 due to a massive marine heatwave and reduced prey.
Researchers mapped disease dynamics in foothill yellow-legged frogs, tracing patterns of infection across a large geographic range. The study found that drought, rising temperatures, and agricultural land conversion drive Bd infection, with the pathogen affecting nearly entire region from southern coast to central Oregon.
A team of conservationists has made the first-ever report of a breeding population of an incredibly rare turtle in India. The Cantor's Giant Softshell Turtle was discovered in the Chandragiri River in Kerala using local knowledge from villagers, who shared tales of historical sightings and provided leads on current occurrences.
Researchers used movement behavior models to track leatherback sea turtles to previously unknown foraging locations along the US east coast. The study found that leatherbacks use specific areas in the South Atlantic Bight, Mid-Atlantic Bight, and southern New England as both migratory corridors and foraging grounds.
A study published in the International Journal of Primatology confirms living Skywalker gibbons in Myanmar, leading to estimates of up to 65,000 individuals in one area. The conservation committee aims to protect this new population and promote protected areas for the species.
A study published in Global Ecology and Conservation found that three-quarters of vegetation types in North, Central, and South America fall below the Global Biodiversity Convention's target of 30% protection. The research highlights that over 40% of threatened bird and mammal species are mostly found in a single vegetation type.
A recent study from Australian National University reveals that many native bird species are facing uncertain futures due to factors like island isolation, adaptability to agricultural areas, and evolutionary uniqueness. The researchers found that slow-breeding species with larger body sizes tend to struggle with environmental changes.
A new study reveals that Singapore has lost 37% of its species over the past two centuries, with larger mammals and forest-dependent birds being particularly at risk. The researchers recommend prioritizing landscape-scale conservation efforts for charismatic species, such as tigers and orangutans, to mitigate extinction rates.
Wildlife filmmaker Carlos Gauna and UC Riverside student Phillip Sternes observed a 5-foot-long pure-white shark pup shedding its embryonic layer. The location off central California's coast is proposed as a potential great white breeding ground, which could help protect endangered species.
Researchers found that individual Balearic shearwaters are adapting to climate change by shifting their migratory range northwards, with a speed of 25km per year. However, this flexibility comes with constraints, as the birds have further to fly back in the autumn, and the impact on breeding success and survival is still unclear.
A study in PLOS ONE suggests that Galápagos penguins may accumulate microplastics at a high rate within their food web, with the excretion rate playing a key role. The research uses modeling to simulate microplastic movement through the Galápagos penguin ecosystem and highlights the potential for biomagnification across trophic levels.
A three-year study has provided the first reliable estimate of giraffe population size for the region, revealing a mere 27 individuals remain within Bénoué National Park. Conservation efforts are crucial to protect this subspecies from extinction due to threats from poaching and human pressures.
A study published in Perspectives in Ecology and Conservation proposes a novel methodology for projecting native tree growth and optimizing timber production in forest restoration. This approach reduces the time to harvest by 25% and increases stand density by 38%, making large-scale forest restoration more attractive to landowners.
The study identifies Morro do Príncipe as a priority area for conservation of the endangered Johngarthia lagostoma land crab in Brazil. Praia dos Andradas is also considered vital for breeding. The researchers highlight the importance of preserving vegetation to ensure the species' survival.
Social network analysis of sanctuary-living Grauer's gorillas reveals adult females are central to the group's dynamics and most gregarious. This study provides unique insights into the behavior of a critically endangered species and informs on their care and future release strategies.
Researchers at the University of Oxford have created a standardized safety test to assess how dangerous robotic lawnmowers are to hedgehogs. The test uses specially designed hedgehog crash test dummies and has found that many models pose a threat to these animals, especially at night when they are most active.
A study published in Science reveals that 82% of endemic species and 65% of all tree species in the Atlantic Rainforest are threatened with extinction. The researchers used a novel conservation assessment methodology to estimate the degree of threat, which significantly increased the number of threatened species.
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.
A study using infrared cameras found that high air and ground temperatures limit numbats' ability to forage in the sun, forcing them to retreat to the shade. Climate change may also make the shade too hot for numbats to survive.
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.
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.
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.
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.