Articles tagged with Endangered Species
A new study reveals that hedgehogs can hear high-frequency ultrasound, up to 85 kHz, which could be used to design sound repellents for cars to deter them from roads. The findings suggest a potential solution to reduce hedgehog deaths, which are a major cause of road traffic accidents.
Researchers observed finless porpoises in Ise Bay, Japan, interacting with adults beyond their mothers, challenging the long-held assumption of their solitary nature. Infants approach and swim alongside adults who are not their mothers, suggesting a potential weaker mother-calf bond compared to other species.
The interim update to the State of the World's Migratory Species report warns that 49% of migratory species populations are declining, with 24% facing extinction, due to habitat loss and overexploitation. The report highlights the need for coordinated international action to address these threats and protect migratory 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.
A solitary bottlenose dolphin in the Venetian Lagoon is monitored by researchers who assess its remarkable adaptation to urban surroundings. The team highlights the need for human behavior management to ensure the dolphin's welfare, rather than focusing on wildlife protection measures.
Research reveals that hunting pressure is shrinking safe space for mandrills in Equatorial Guinea's Monte Alén National Park. Mandrills are adapting to changing conditions by focusing on high-quality sites with limited human impact.
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.
Researchers found that wild Yellow-naped Amazon parrots use complex vocalizations with syntax, collocates, and a large repertoire of notes when fighting for territory. The team identified over 450 calls in warble duets, revealing precise rules governing the birds' communication.
The discovery of mature silver European eels in Cyprus highlights the importance of river fragmentation and local environmental conditions on eel populations. The finding also underscores the need for urgent implementation of Eel Management Plans to conserve this critically endangered species.
The North American wild mountain sheep is losing its habitat to industrial mining, human activity, and climate change. The book highlights the risks faced by this species, which nearly collapsed in previous decades but now faces grave risks from disease and habitat loss.
The partnership aims to support conservation genetics efforts globally by sequencing up to 4,000 unique animal samples across 1,300 species. The project will provide valuable genomic insights to inform conservation management decisions and promote ecological resilience.
The Chicago Botanic Garden and The Morton Arboretum have pledged to protect endangered species such as Cucharillo and Stone's Paphiopedilum through collaborative conservation strategies. These institutions will co-host the 9th Global Botanic Gardens Congress in 2027 to accelerate crucial conservation work.
A comprehensive review reveals devastating loss of island land snail biodiversity, with extinction rates ranging from 30% to 80%. The Hawaiian Islands, in particular, have lost up to 90% of their unique native snail species due to human arrival and colonization.
A new study reveals how beluga whales in Alaska's Bristol Bay survive through a surprising strategy: they mate with multiple partners over several years. This polygynandrous system helps maintain genetic diversity despite the population's small size and isolation.
A new study by the University of Oxford and WCS reveals that connections between coral reefs can stabilize reef health, reducing the risk of collapse. By simulating future reef conditions under different management scenarios, researchers found that a dual approach improving land and sea conditions provides the best outcomes for reefs.
A new Oxford University study finds nearly 8,000 animal species could face extinction by the end of this century due to combined effects of climate-driven extreme heat and human land-use changes. The study highlights the urgency of conservation and mitigation actions globally to prevent immense losses to biodiversity.
A new international study reveals that nearly 25% of professional sports teams worldwide feature a wild animal in its name, logo, or fan identity, with over half of these teams using threatened species. The researchers argue that sport organisations could actively support conservation through awareness campaigns and partnerships.
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.
Research reveals that threatened species are overrepresented in professional sports emblems, offering a powerful new avenue for biodiversity conservation partnerships. Fans' emotional connections with team mascots can mobilize audiences to support conservation initiatives.
Researchers found that elephants can learn to ignore drones within minutes of exposure, opening a new window into their behavior and social interactions. The study's results suggest potential for drones as a cost-effective observation platform in elephant conservation.
A new global study found a correlation between a species' aesthetic value and its likelihood of being traded, particularly in live markets. The study highlights the troubling pattern that people's preference for visual beauty may unintentionally increase conservation risks for certain species.
Researchers have identified three new species of tree-dwelling toads from Africa that skip the tadpole phase and give birth to live toadlets. This rare reproductive strategy is found in less than 1% of frog species, making these toads exceptionally interesting.
A new study reveals that island reptiles are more threatened with extinction than mainland species, yet remain largely ignored by researchers. The study found that 30% of island-dwelling reptiles are threatened, while only 6.7% of reptile-focused research publications have studied them.
Scientists suggest that managing pond conditions can tip the balance in favor of native species. Research found that longer hydroperiods, typically over 110 days, lead to larger and more stable populations.
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 the deep connection between wildlife trafficking and other serious crimes, including arms dealing and human smuggling. By mapping these intersections, researchers can focus on key players driving global networks, boosting anti-trafficking interventions.
Research found that sharks with specialized physiologies and ecological roles are most threatened with extinction. Losing these species would diminish trait diversity, leading to a more boring world with less diversity of forms. The study suggests that overfishing is the single biggest driver of shark population decline.
A new study reveals that polar bears act as crucial providers for Arctic species, leaving behind millions of kilograms of prey annually. This carrion provides a vital energy source for a wide network of arctic scavenger species, including Arctic foxes and ravens.
A recent study found that extinction rates in plants and animals peaked around 100 years ago and have declined since then. The researchers argue that past extinctions are not reliable predictors of current and future threats due to changing drivers such as habitat loss and climate change.
Researchers discovered that Kangaroo Island dunnarts are partially arboreal and use pygmy-possum nest boxes for shelter. The finding highlights the importance of tree hollows in biodiversity conservation, as these creatures also seek refuge in eucalyptus trees.
A new index tool evaluates species' conservation priority based on future threats and traits, identifying reptiles as highest priority. The Proactive Conservation Index complements existing tools, offering insights into understudied species and facilitating proactive conservation strategies.
The FAU Queen Conch Lab has developed mobile lab hatcheries to restore threatened Caribbean queen conch populations and promote sustainable seafood production. These self-contained units bring advanced aquaculture capabilities to coastal communities, supporting education, employment, and food security.
Researchers analyzed feces samples from 11 herbivore species in Namibia's Etosha National Park to understand how environmental factors shape their gut microbiomes. The study found five types of bacteria serving as environmental indicators, which could help monitor ecosystem changes and animal adaptation.
Two muriqui species, largest primates in the Americas, face significant habitat loss due to climate change. By 2090, up to 61% of their suitable habitats may be reduced, mainly confined to coastal regions of the Atlantic Forest.
A community-managed forest in Guatemala's Maya Biosphere Reserve supports a rich variety of medium-to-large mammals and birds comparable to those in protected national parks. However, some vulnerable species avoid areas with high human access, revealing subtle, cryptic disturbances that ripple through the forest.
A global study has discovered that birds' fear of novelty is strongly linked to their dietary specialization and migratory behavior. The research found that species with narrower diets and those that migrate may exhibit higher levels of neophobia, or fear of new things.
A team of researchers has shed light on how Europe's largest bat hunts and consumes small birds. The bats use loud and low-frequency ultrasound echolocation calls to detect prey at great distances, then pursue it in steep dives towards the ground, catching and eating birds in mid-air.
Researchers developed an environmental quality standard to evaluate reindeer populations, finding most areas rated as poor or medium. The standard aims to inform management efforts and secure long-term conservation of wild reindeer.
A new study found that snow leopards have very low genetic diversity, making them vulnerable to extinction. The research suggests that the snow leopard's low genetic diversity is due to its persistently small population size over time.
Thirty species of sharks, rays, and chimaeras are at risk due to deep-sea mining, which can harm their habitats and disrupt ecosystems. The study recommends establishing monitoring programs, creating protected areas, and including these species in environmental impact assessments to mitigate the risks.
Researchers investigate cryopreservation as a tool for conservation, using the European subspecies of the Swallowtail to assess its viability. If effective, it could support long-term strategies like breeding programs and reintroduction efforts.
A new analytical method reveals that 65.5% of unhatched eggs were fertilized, contradicting previous assumptions. The study's findings can inform management decisions for threatened bird species and potentially accelerate their recovery.
A new study by Florida Atlantic University researchers found that heat does not significantly affect the cognitive ability of sea turtle hatchlings. However, higher incubation temperatures negatively impact their physical traits, including shorter incubation durations, lower hatching success, and more frequent scute anomalies. The stud...
Scientists successfully derive and maintain self-renewing and pluripotent ESCs from chickens and seven other bird species using a growing medium of egg yolk. The study holds promise for applications in studying embryonic development, producing lab-grown poultry, and reviving endangered birds.
Researchers have found a clear relationship between koala stress and increased risk of disease, including Chlamydia. The study suggests that high KoRV loads may be weakening the immune system, making koalas more susceptible to diseases such as blindness and infertility.
Scientists observed Hector's dolphins' subsurface behaviors, which may increase their risk of bycatch. The study sheds light on the conservation efforts for this critically endangered species.
Researchers analyzed over 2,000 hours of underwater recordings to detect subtle shifts in red hind spawning behavior and population dynamics. The study found a notable shift in the balance of mating calls over the 12-year period, with calls linked to competition becoming dominant.
Researchers at Bigelow Laboratory have developed a new modeling approach that incorporates detailed prey information to improve the prediction of right whale distribution. This approach accounts for the preferences and needs of hungry whales, highlighting the importance of smaller species in their diet.
A new study finds that sargassum seaweed can significantly slow down sea turtle hatchlings in Florida, increasing their risk of predation and heat exposure. Researchers found that even small amounts of sargassum can impede hatchlings' progress, with leatherbacks taking 54% longer to crawl through light sargassum.
Recent species-level extinctions are high, but genus-level losses are rare and localized, occurring mostly on isolated islands. The study found that modern extinction rates have not been increasing over the past century, contrary to previous studies.
Researchers found that the island has enough trees, hedgerows, and seeds for the estimated 3500 red squirrels to thrive and grow. The study also discovered signs of genetic mixing between the east and west populations, suggesting a bright future for the island's squirrel population.
A new study by Bournemouth University confirms that red squirrel populations across Europe are resilient to the effects of climate change, but highlights the need for conservation efforts to protect their habitat. The study found that temperature changes and low rainfall do not directly affect the survivability of red squirrels.
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.
A recent study found that 62% of whale sharks in the Bird's Head Seascape off Indonesian West Papua have scars and injuries from preventable human causes. Simple interventions, such as modifying traditional fishing platforms and boat designs, could greatly lessen this burden on the local population.
A new study shows that mixing mice from different populations can create genetically healthier populations, increasing survival and reproductive success. The research challenges common perceptions about the risks of outbreeding depression, highlighting the benefits of genetic rescue in conservation programs.
A recent study co-authored by UCF Assistant Professor of Biology Robert Fitak reveals that the 1990s translocation of Texas pumas improved the Florida panther's genetic health while preserving its unique ancestry. The study found increased genetic variation, retention of unique traits, and a decrease in harmful mutations.
A new statistical model using GPS tracking data accurately predicted nest success for the California Condor, demonstrating its potential to inform conservation decisions. The model's results were corroborated by field observations and camera footage, allowing researchers to assess nest fate with high accuracy.
Researchers found that bat boxes can reach lethal temperatures if not designed properly. Simulations showed that adding insulation, light colors, and thoughtful orientations can make the boxes safer. The study's code is publicly available, allowing conservationists to tailor their solutions to specific climates.
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.
Researchers have identified 48 previously unknown bacterial species in the indri's microbiome, which is largely established through transmission between members of the same social group. This finding has significant implications for preserving the species' habitat and preventing extinction.