Researchers at Montana State University have discovered African wild dogs' movements connecting distant ecosystems, providing new insights into the species' survival prospects. The study's findings highlight the importance of conserving natural evolutionary processes and argue against fencing ecosystems to protect large carnivores.
Researchers re-examine the fossil record, proposing that animals may have originated between 800 and 700 million years ago, predating some of Earth's most extreme ice ages. This new timeline transforms our understanding of animal evolution and challenges existing assumptions about the origins of life on Earth.
A new study found that combining cryopreserved sperm with larger breeding populations in zoos and aquaria could significantly improve the long-term survival prospects of endangered pupfish. Genetic diversity is essential for species survival, and the researchers suggest that this approach could provide zoos with a practical way to stre...
Cool river temperatures in first 15 days after fertilization are crucial for survival, with warm years limiting survival. Research suggests strategies like reintroduction to historical habitat may be more effective in the long run than targeting specific cold water releases.
Researchers at the University of Wisconsin-Madison have identified a new species of endangered baobab tree, Adansonia bozy, unique to Madagascar. The discovery was made possible through genetic analysis and highlights the importance of conservation efforts for this charismatic tree species.
A new study uses genomics to identify endangered southern pygmy perch populations most at risk from climate change. The research reveals that conservation breeding can preserve a species' adaptability to future warming.
A new study from San Diego Zoo Wildlife Alliance has developed a less invasive method to measure the body temperature of hatchling Mojave desert tortoises, reducing disturbance and handling stress. The handheld infrared thermal camera provides a reliable estimate of internal body temperature under various conditions.
A new study documents how an Indonesian Indigenous community adapted their sacred Cidaku initiation ceremony to protect the endangered salmon-crested cockatoo. The ceremony now uses naturally moulted feathers collected from wildlife rescue centres, preserving spiritual integrity and ensuring species survival.
Researchers have discovered a key breeding ground for endangered sand tiger sharks off the coast of São Paulo, Brazil. The Alcatrazes Archipelago Wildlife Refuge provides a vital sanctuary for the critically endangered species, allowing them to complete their reproductive cycle in Brazilian waters.
Researchers from Guizhou Province have successfully assembled the first haplotype-resolved chromosome-level genome of Phoebe zhennan, a critically endangered tree species. The high-quality reference genome reveals significant genetic variations, including inversions and translocations, that may play key roles in environmental adaptation.
A new study uses machine learning to predict chemical toxicity in rare and endangered species, reducing the need for direct biological testing. The model achieved strong performance predicting acute and chronic toxicity, with life stage being a key factor.
Researchers found that colossal karst sinkholes help preserve the rare Magnolia aromatica tree while limiting gene flow and diminishing its long-term evolutionary potential. The study suggests that conservation strategies should protect both individual habitats and connections among populations.
Researchers found that nearly 90% of sharks collected from Delaware Bay were exported overseas, raising concerns about conservation goals. The study highlights the need for better scientific data and stronger oversight to ensure sustainable removals of critically endangered sand tiger sharks.
Ayano Medo and Takuya Sato discovered that nematomorph parasites induce terrestrial crickets to jump into water, where they nourish endangered fish. The parasites, common globally, drive the transfer of long-chain omega-3 fatty acids from terrestrial to aquatic ecosystems.
A new study confirms the existence of Manis aurita, a previously unrecognized Asian pangolin species, expanding biologists' understanding of pangolin diversity. The discovery provides crucial scientific basis for combating illegal poaching and protecting critically endangered animals.
Researchers found that Bigg's killer whales are increasingly present in Puget Sound, while southern resident killer whales are spending less time in inland waters. The data suggests that social cues may play a role in the changing distribution of southern residents.
Researchers analyzed 44 years of killer whale data in Washington state, finding a decline in the presence of endangered fish-eating killer whales. In contrast, populations of Bigg's killer whales, which prey on seals and other whales, are becoming more abundant.
Researchers captured cultural evolution of new dialects in sperm whales living in eastern Mediterranean. Whales developed a new form of vocal dialect used by western basin animals, showing progressive occupation from west to east.
A pair of grants aims to simplify wildlife management by integrating multiple species into a single plan, reducing redundancies and expanding effectiveness. The research focuses on managing entire ecosystems rather than individual species, using technologies like monitoring tools and multi-objective optimization.
Researchers have digitally preserved the vaquita by scanning a complete skeleton and creating interactive 3D models. The technology enabled the team to capture microscopic skeletal details and make the information accessible to anyone, with the resulting models being made freely available through MorphoSource.
Researchers found that pregnant Pacific pocket mice trained to fear snakes produce more vigilant offspring, which survive better in the wild. This method of antipredator training may improve conservation breeding and reintroduction programs.
A Simon Fraser University study found over 200 contaminants in juvenile Chinook salmon in the Lower Fraser River estuary, including priority contaminants like pharmaceuticals and pesticides. This exposure adds stress to already vulnerable fish populations.
Researchers analyzed hormones stored in Rice's whale baleen to understand its life story. The study found evidence of stress and reproductive patterns, shedding light on the species' critically endangered status.
A new acoustic device, PAL Wideband pinger, has been found to reduce harbour porpoise bycatch in the Black Sea by approximately 74%. The device's wider frequency band (10-150 kHz) is believed to contribute to its effectiveness. Effective strategies to reduce bycatch are urgently needed for the critically endangered species.
A global inventory reveals that bottom trawling catches over 3,000 fish species, including critically endangered and vulnerable species, highlighting the urgent need for better documentation and management of its impacts on marine biodiversity.
Researchers at Virginia Tech used modern data science to guide restoration strategies for the endangered butternut tree. The study mapped climate and soil conditions linked to natural disease resistance, identifying prime regions for resistant butternut trees and hybrids across the eastern United States.
A new Simon Fraser University research reveals that thousands of British Columbia's endangered species are not receiving the necessary help to survive. The study found that only a few species have shown signs of recovery since 2008, while many more are declining due to lack of legislative protection.
A global citizen-science study found that humans tend to prefer many animal sounds favored by the species themselves, suggesting a shared aesthetic judgment. The study also showed that lower-pitched sounds are preferred by humans, with some variation in alignment across individuals.
Researchers found juvenile smalltooth sawfish showing strong site fidelity to the South Fork of the Saint Lucie River, spending up to 87% of their time within a 0.4 square kilometer area. This suggests that the Indian River Lagoon is once again functioning as a nursery for this endangered species.
Researchers have identified detectable 'early warning signals' in genetic data that can alert conservationists to an approaching crisis before it becomes irreversible. The findings provide a new tool for protecting endangered species by monitoring genetic changes in populations and identifying early warning signs.
A recent study analyzing koala genomes found that populations previously considered most at risk are now showing signs of genetic regeneration. The research, published in Science, challenges long-held assumptions about genetic risk in endangered species.
A new study published in Global Ecology and Conservation found that released animals, like Bengal slow lorises, are at risk of being attacked by territorial peers. Only two out of nine released animals survived, with the others dying due to fatal attacks.
Research reveals that liquid crystal monomers from household electronics accumulate in the brains of endangered dolphins and porpoises. The chemicals have been linked to altered gene activity and potentially negative impacts on marine mammals.
A computer model identifies potential threats to over 10,000 freshwater species worldwide, offering a cost-effective way to safeguard species before they become endangered. The tool analyzes 52 variables, including damming, pollution, and habitat degradation, to recognize ecological patterns that benefit multiple species at once.
A sweeping 10-year fishing ban on China's Yangtze River has halted 70 years of freshwater biodiversity decline. The ban, coupled with improved water quality and environmental management, has led to a significant increase in fish biomass and the recovery of endangered species.
A study analyzing data from Berlin's Flora Protection Program found that biological threats, especially from highly competitive native species, pose a greater threat to urban biodiversity than non-native species. Threats related to agriculture, nutrient inputs, and urban development are also significant drivers of decline.
A study by University of Florida researchers found that mosquitoes fed on 86 different species of animals, capturing nearly all the vertebrate biodiversity in a small area in central Florida. This innovative method uses mosquitoes to monitor other animals and conserve them.
Researchers found a robust and healthy population of critically endangered Sumatran tigers in the Leuser ecosystem, with over 282 high-quality images captured. The team identified 27 individuals, including females with high densities indicating a thriving social system and adequate habitats.
Scientists have discovered a new, critically endangered plant species, Thismia selangorensis, with fewer than 20 individuals known to exist. The species is found in undisturbed forests rich in leaf litter and relies on fungi for nutrition.
A new study found that Critically Endangered African penguins are more likely to forage in areas with commercial fishing vessels during years of low fish abundance, increasing competition and pressure on the species. The research introduces a novel metric called
A new study by UH Mānoa-Led research revealed 25 distinct underwater vocalizations in Hawaiian monk seals, including a previously undocumented foraging call and a novel 'combinational' communication strategy. The findings provide a baseline for understanding the acoustic world of this endangered species.
A new native bee species named Megachile (Hackeriapis) lucifer has been discovered in the Bremer Range region of Western Australia. The striking bee was found visiting both an endangered wildflower and a nearby mallee tree, and its discovery highlights the importance of understanding native bees before their habitats are disturbed.
The study reveals lower genetic diversity and historical population sizes in the Southern Maned Sloth, while the Northern lineage faces rapid inbreeding due to deforestation. The findings offer critical insights for conservation of endangered species.
A groundbreaking environmental DNA test developed by Florida International University scientist Diego Cardeñosa can detect traces of elusive hammerhead sharks in water samples. The test reveals fragments of genetic material left behind in the ocean, identifying areas where the sharks have been and informing conservation efforts.
New research reveals American giraffe collections have been hybridized across species, reducing their conservation value. The study recommends phasing out hybridized animals from captive breeding programs and screening existing animals for better genetic matches.
A new study reveals that climate change is driving many native Australian reptiles toward extinction. The research uses fossil evidence and genetic data to show how the endangered Australian Mountain Dragon has responded to major environmental changes in the past.
Research analyzing over half a million social media posts found that charismatic animals like cats and hippos generated the highest engagement. Meanwhile, plants, which comprise 57% of endangered species, received disproportionately limited attention in online discourse.
The 2023 marine heatwave caused widespread coral mortality in Florida's Coral Reef, leading to the functional extinction of critically endangered Acropora species. Researchers found that between 97.8 and 100% of coral colonies had died by March 2024, highlighting the urgent need for interventions to maintain these populations.
Researchers have discovered microplastics in the endangered Indus River dolphin, finding fibers and other particles in the GI tracts of all five stranded individuals. The study highlights the urgent need for conservation strategies to address this pollution issue.
A new study reveals that 93% of shark meat products in the US are ambiguously labeled and may contain meat from critically endangered species. The findings highlight a need for stronger regulations and oversight of seafood labeling practices to protect consumers and conserve shark populations.
A study found that 31% of 'shark' products in the US are from endangered species, sold without proper labeling. The research used DNA barcoding to identify species, revealing critically endangered sharks were being sold as common or vulnerable species.
Researchers have uncovered a new species of bettong and two new subspecies of woylie in Western Australia, revealing vital clues about the diversity of these critically endangered marsupials. The discovery has significant implications for conservation efforts, including breeding and translocation initiatives.
A new study found that when Hanauma Bay was closed to the public during the 2020 pandemic, the reef quickly returned to more natural levels. This led to clearer water, increased sightings of endangered Hawaiian monk seals, and more active fish populations.
A genetic test developed by Dr Lauren Lansdowne can reliably determine the species of individual gibbons, helping to preserve vulnerable populations. The test uses DNA sequencing and has been validated using large-scale samples from over 200 gibbons in European zoos.
Researchers discovered a large population of critically endangered Plains-wanderers in South Australia's arid interior, defying their previously believed habitat preference. The birds were found to select low-growing shrublands with specific composition over dense native grasslands.
The Illinois Natural History Survey and Illinois Department of Natural Resources have updated the state's threatened and endangered plant species rankings. A total of 331 plants were reassessed, showing some improvements in their status, while others remain imperiled.
A study found that the red-headed wood pigeon's unique genetic history, shaped by centuries of gradual inbreeding, enabled its population to survive and rebound dramatically. The team's analysis revealed lower levels of highly deleterious mutations in the endangered species compared to the more widespread Japanese wood pigeon.
A new study suggests that genetic rescue of endangered species may not be as effective as previously thought, and could even introduce more harmful mutations. Analysis of Eastern massasauga rattlesnakes found more deleterious than adaptive mutations in donor animals selected for relocation.
A large-scale study found that zoos are often breeding endangered animals in skewed sex ratios, which can limit genetic diversity and increase the risk of extinction. The research highlights the need for zoos to collaborate and share data on their animal populations to manage conservation efforts effectively.
A recent MIT study found that decreases in seed-dispersing animals can lead to a major reduction in forest carbon absorption. The researchers analyzed data from thousands of vegetation plots and found that healthy populations of seed-dispersing animals can absorb up to four times more carbon than similar forests with fewer animals.