A study by researchers at the University of Washington has confirmed the presence of endangered blue whales in Indian waters, specifically off the southwest coast of India. The findings suggest that these whales are likely resident to the northern Indian Ocean and visit Lakshadweep seasonally.
Researchers developed a machine learning technique to detect North Atlantic right whales by listening for their sounds underwater. The technology can remove unwanted noises, increasing the reliability of detecting right whales in adverse conditions, and offers hope for the species' survival and population increase.
Research reveals that genetic differences within microscopic algae living inside corals correspond to the coral species they inhabit, suggesting a coevolutionary relationship. This partnership optimization may hold key insights into improving conservation efforts for critically endangered coral species.
A pilot study found emotional support animals reduce symptoms of depression, anxiety, and loneliness in individuals with chronic mental health issues. Participants showed lower stress hormone cortisol and higher bonding hormone oxytocin levels after interacting with their animal.
A quadruped robot platform reproduces neuromuscular dynamics of animals, discovering a reflex circuit generating steady gait in walking cats. The reciprocal excitatory reflex between hip and knee extensors is found to produce leg trajectories and a steady gait pattern.
A new study has found Per- and polyfluoroalkyl substances (PFAS) in endangered Australian sea lions and fur seals, with high concentrations detected in newborns. The presence of PFAS poses a threat to the species' survival, as well as potential risks to humans through contaminated seafood and water.
Researchers at Stockholm University found little evidence that animals avoid mating with relatives, contradicting long-held assumptions. This study synthesizes 139 experimental studies across 88 species and has implications for conservation breeding programs aimed at maintaining genetic diversity.
Researchers have developed 29 novel polymorphic microsatellite markers to accurately census endangered Sumatran rhinos. These markers are ideal for non-invasive wild sampling and can help determine genetic diversity, aiding conservation plans.
A billion-year-old microfossil found in Scotland reveals features of multicellularity nearly 400 million years earlier than previously established. The discovery sheds new light on the transition from single-celled organisms to complex, multicellular animals.
Research shows that nearly half of fecal samples from wild chimpanzees contain antibiotic-resistant bacteria, highlighting the need for improved hygiene and proper antibiotic use. The study's findings will support the development of interventions to protect both human health and endangered species.
Scientists have assembled high-quality reference genomes for 16 endangered species, including the kakapo and vaquita, revealing that even small populations can survive if humans do not kill off remaining animals. The 'kitchen sink approach' combined multiple biotech tools to produce error-free genome assemblies.
A team of scientists compared different methodologies to count African forest elephants, including dung analysis and camera traps. The study found that a new DNA-based method was comparable in accuracy to traditional methods but less expensive on larger scales.
A Stanford-led study illuminates the mystery of North Pacific loggerhead turtles' epic migrations between Japan and Baja California, providing evidence of a 'thermal corridor' that allows them to cross inhospitably cold ocean barriers. The findings could inform conservation measures to protect sea turtles amidst climatic changes.
A University of Guam review finds conservation projects have lacked publishable results, revealing the need for adaptive management. The study highlights the importance of including published research scientists in funded conservation projects to generate new knowledge and inform decisions.
A University of Colorado Boulder-led research team found the Iberá Seedeater, an endangered songbird, used genetic shuffling instead of new mutations for speciation. The bird's unique behavior keeps it apart from closely related species.
Genetic sleuthing reveals that Indus and Ganges river dolphins are separate species, differing in tooth count, coloration, growth patterns, and skull shapes. This distinction is crucial for conservation efforts, with only a few thousand individuals remaining, making them critically endangered.
Researchers have identified two new species of critically endangered screech owls in the Amazon and Atlantic forests. The study used tape recordings to draw out the birds' calls, revealing variations indicative of different species.
A review of 126 marine mammal species reveals that accidental capture, climate change, and pollution are driving declines. Conservation efforts have saved some species, but many more are at risk, including the vaquita porpoise and North Atlantic right whale.
The critically endangered regent honeyeater is losing its 'song culture' due to declining populations. Research found that males sing simplified or incorrect songs when birds are rare, affecting their ability to communicate with females.
Research found that Mexican wolves were 121% more likely to disappear when legal protections were weakened, contrary to theories that lethal removal would reduce poaching. The disappearances were likely caused by poachers hiding evidence of their activities, leading to underreported poaching.
Researchers at the University of Queensland have created a highly detailed genome model for critically endangered Macadamia jansenii, a plant species that is rare in the wild. The model has been used to study the genetics and diversity of the species, providing valuable insights into how rare plant species survive population decline.
Killer whales in the Pacific Northwest are threatened by the decline of Chinook salmon, their primary food source. The study highlights the interconnectedness of these marine species and the need for conservation efforts to protect both predators and prey.
A new analysis shows that Southern Resident killer whales prey on a variety of fish species throughout the year, including Chinook, steelhead, chum, and coho salmon. The researchers found that the whales' diet becomes less diverse during lean times, highlighting the need for strategies to support their food supply.
Specially trained detection dogs can be used to find endangered species, including otters in Germany and crested newts. They have been proven effective in over 90% of cases, often detecting species faster than other methods.
A new study proposes a plan for farmers to protect themselves from financial losses while preserving endangered predators, such as snow leopards. Community livestock insurance contracts could benefit both farmers and conservation efforts.
A new study led by the University of Maryland Baltimore County estimates the Bahama Oriole population at 1300-2800 individuals, suggesting a much larger number than previously believed. The research reveals that pine forest is an important habitat for the birds, contrary to earlier findings.
A recent study published in Conservation Science and Practice found that known deaths of critically endangered North Atlantic right whales account for only 36% of the true death toll. The study analyzed data on whale encounters, animal health, serious injuries, and necropsies to determine undercounting of human-caused mortalities.
A global biological assessment of rivers reveals a striking loss of biodiversity in Japan and New Zealand over the past 20-30 years. Poor living conditions for fish and macroinvertebrates are also widespread across Europe, North America, Australia, and South Korea.
A recent study found that a specific fungus infecting frogs disrupts their skin microbiome, leading to long-term changes. The frog's microbiome fails to recover even after the infection is cured, highlighting the need for further research on microbiome dynamics and disease resistance.
Three of five sawfish species are critically endangered due to easily caught rostra in fishing nets and valuable fins in the shark fin trade. Conservation efforts focus on eight countries where protections can save the species; adequate protections exist in Australia and the US for some remaining populations.
A new study has found that American alligator hatchlings are more active and exploratory than spectacled caiman hatchlings, reflecting the strength of maternal protection. This research has important conservation implications for increasing population sizes of endangered crocodilian species.
The Critically Endangered shorttail nurse shark has been found in Mozambique, expanding its range southward from Tanzania and westward from Madagascar. The species benefits from some degree of protection within large coastal marine protected areas but is under threat due to overexploitation by coastal fisheries.
A comprehensive analysis of land mammal composition across mapped Indigenous lands reveals that 2,175 mammal species have at least 10% of their ranges within these lands. The study highlights the importance of Indigenous peoples' lands for biodiversity and ecosystem services, with 413 threatened species occurring in these areas.
Researchers successfully counted African elephants using satellite images and deep learning algorithms, achieving accuracy comparable to human observers. This new surveying technique offers an efficient alternative to manual counting from low-flying airplanes, enabling vast areas of land to be scanned rapidly.
A new paper introduces a management approach that uses transient dynamics to predict when species may become vulnerable or endangered. The tool helps identify potentially endangered populations and informs adaptive management strategies.
Researchers found that omega-3 fatty acids in flaxseed and fish oil helped Arctic ground squirrels regulate their body temperature during hibernation, increasing brown adipose tissue. This discovery sheds light on how animals prepare for extreme cold temperatures.
Researchers describe a critically endangered bat species, Myotis nimbaensis, with bright-orange fur, found in the Nimba Mountains, a biodiversity hotspot. The discovery highlights the importance of sub-Saharan sky islands to bat diversity and conservation efforts.
The Endangered Wooden Architecture Programme aims to document and preserve endangered wooden building traditions, with a focus on sustainability and cultural heritage. Researchers will create open-access digital repositories, develop research capacity, and raise awareness of wooden architecture.
Well-preserved fossils from 547 million-year-old remains have enabled researchers to trace the ancestry of some of the world's earliest animals further back than ever before. The study has uncovered a link between Cambrian Explosion animals and one of their early ancestors.
A novel method identifies areas most suitable for the conservation of the endangered black lion tamarin, considering both climate and landscape factors. The study used modeling to pinpoint areas with suitable forest cover and climate, indicating a need for targeted strategies in forest restoration to connect fragmented habitats.
Despite panda conservation efforts, some species suffer from habitat loss and degradation under 'umbrella' policies. Research found that Asiatic black bears, forest musk deer, and Chinese serows are negatively impacted by panda-centric management.
Researchers studied a 40-year-old bunchgrass prairie in Montana and found that climate change is altering the ecosystem. Annual aboveground primary production increased by 110%, but plant composition changed with a 108% increase in invasive species, while dicot non-grass plants decreased by 65%.
A new study has documented a significant increase in sightings of critically endangered smalltooth sawfish in coastal waters off Miami. The research highlights the need to better understand the effects of coastal urbanization on these endangered species and inform conservation efforts.
A study published in Frontiers in Marine Science reveals that fan mussel larvae can disperse from unaffected populations, potentially aiding the recovery of an endangered species. The larvae can travel hundreds of kilometers thanks to ocean currents and play a crucial role in the species' survival.
Scientists have discovered that a critically endangered tree species on Guam modifies its leaf function to best exploit prevailing light conditions. The findings provide new insights into the adaptations of trees in response to changing environmental factors.
Entanglement in waste fishing gear poses a significant threat to Ganges River wildlife, including critically endangered species like the three-striped roofed turtle and Ganges river dolphin. The study highlights the need for recycling systems and awareness-raising initiatives to mitigate plastic pollution.
Vaccination of endangered tiger population against canine distemper virus could reduce extinction probability from 15.8% to 5.7%
A study by researchers at the University of Notre Dame found that global warming is likely to increase disease risk in animals, particularly those living in colder climates. The thermal mismatch hypothesis suggests that pathogens thrive in warmer temperatures, while cold-adapted animals struggle to cope with rising temperatures.
A team of conservation scientists and ESA policy experts recommend deeper improvements to the rules governing the US Fish & Wildlife Service and National Marine Fisheries Service. The goal is to make the Act more effective in protecting species, particularly in a warmer future.
A new analysis found that the critically endangered vaquita remains genetically healthy despite its low population numbers. The study suggests that the species' ability to survive at low numbers is not doomed to extinction and gives hope for conservation efforts.
A new study found that early-arriving endangered Chinook salmon experience an additional 20% mortality due to sea lion predation. The study also showed that the numbers of California sea lions are highest at the mouth of the Columbia River, increasing exposure to predation.
Researchers found 26 mammals that could be susceptible to SARS-CoV-2 infection due to variations in the ACE2 protein. These include domestic cats, dogs, mink, and great apes, which could potentially act as reservoirs for the virus.
Researchers found 92 endangered and 11 critically endangered species of seafood were caught globally. The seafood industry lacks effective conservation policies due to international supply chains.
Scientists have created pigs, goats, and cattle with the ability to produce sperm carrying only donor animal traits, enabling selective breeding and improving food production. This technology has great potential for genetic conservation of endangered species and addressing global food insecurity.
A recent study reveals significant genetic diversity among Four-eyed turtles, highlighting the importance of genetic screenings to prevent extinction. The research emphasizes the need for stricter laws and regulation in releasing confiscated animals back into the wild.
A new tracking technology using Footprint Identification Technique (FIT) helps monitor endangered black rhinos in Namibia. The software analyzes footprint images to identify individual animals and track their movements without disturbing them.
A study of over 2,000 species reveals that common animal populations are rising and falling at a rate similar to rare species due to global change. Amphibians, however, experienced declines, while birds, mammals, and reptiles showed increases.
Researchers successfully estimated the size of bottlenose dolphin populations using unique signature whistles, with results matching traditional photographic mark-recapture methods. The technique has potential applications in tracking other species, including endangered humpback dolphins.
Three ancient Egyptian animals, a snake, bird, and cat, have been digitally unwrapped using high-resolution 3D scans. The scans revealed the animals' ages, possible causes of death, and conditions they were kept in, providing new insights into animal mummification, religion, and human-animal relationships in ancient Egypt.
Researchers have assembled a comprehensive checklist of Panama's tree species, including their estimated geographic ranges, providing a quantitative basis for assessing extinction risk and guiding conservation efforts. The study found that 16.2% of Panama's tree species had ranges less than 20,000 km2, signaling endangered status.