Articles tagged with Endangered Species
The São Tomé grosbeak is the world's largest canary, measuring 20 cm long and possessing a flat head and large beak. It is found only on the island of São Tomé in the West African Gulf of Guinea and is 50% larger than the runner-up species.
The hazel dormouse has experienced a 72% decline over two decades, with annual losses reaching 5.8%. Climate change and habitat loss are major concerns for the species' survival.
The UK's hazel dormouse population has declined by 72% over the past two decades, with conservation efforts proving insufficient to stem the decline. The research team is now calling for an urgent review of dormouse conservation to protect this beloved woodland mammal.
A new study by Woods Hole Oceanographic Institution scientists predicts that dispersal among Emperor penguins will not prevent population decline due to climate change. Despite the ability of penguins to migrate to locations with better sea ice conditions, projected accelerated melting in Antarctica makes for a challenging dynamic.
A new study compares physical characteristics of two similar octopus species, assigning names years ago but never rigorously compared. Researchers analyzed 72 specimens and devised a method to quantify subtle differences in wart distribution.
The publication of rare species' location data can inadvertently contribute to poaching and further species declines. Biologists must reevaluate their publishing culture to protect endangered species.
A new species of South American rabbit has been discovered by Portland State University researcher Luis Ruedas, who found the creature to be larger and shaped differently from its cousins. The discovery is significant as it will require renaming other rabbit species in the region, potentially affecting conservation efforts.
A global research team developed a new Web app to compare and align marine species occurrence maps from two extensive databases, improving the basis for ecological studies and policy decisions. The updated maps include 24,586 species, with some discrepancies found in the IUCN and AquaMaps datasets.
A study by Colorado State University found that noise pollution was twice as high as background sound levels in a majority of US protected areas, causing harm to wildlife and visitor experiences. The research highlights the need to protect natural acoustic resources from human activities such as roads, aircraft, and development.
The Digital Life project has released 15 three-dimensional models of live frogs, including several endangered species, to raise awareness about their vulnerability to ecological threats. The project aims to promote conservation, education, and science by showcasing the extraordinary beauty and diversity of these animals.
A recent study conducted by George Washington University found that 33 percent of seafood sold in six District restaurants was mislabeled. The DNA barcoding analysis revealed that the substitutions were mostly with closely related species or acceptable alternatives for menu listing.
Scientists have identified three new species of ground snakes in Ecuador, including the Critically Endangered Cerberus Groundsnake. The study highlights the importance of genetic analysis in resolving problematic species delimitation and conservation efforts.
A new facial recognition system, LemurFaceID, identifies over 100 individual lemurs with 98.7% accuracy, providing a rapid and cost-effective method for long-term research of endangered species. This technology also offers a humane alternative to capture and collar methods.
The UTIA project used aerial acoustic recordings to track at-risk avian species on DoD facilities, improving compliance with environmental regulations. The project was recognized as the DoD's Project of the Year for 2016 for resource conservation and resiliency.
A new project from Liverpool John Moores University is using drones equipped with thermal cameras to help identify endangered species, such as rhinos and orang-utans. The technique involves analyzing thermal heat profiles to create a unique 'fingerprint' for each animal, allowing for more efficient conservation efforts.
A multidisciplinary team combines drones with infrared cameras to monitor animal populations, reducing costs and increasing access. The new technique uses thermal imaging to identify species, potentially aiding conservation efforts against poaching and habitat destruction.
The San Diego Zoo's Frozen Zoo cell cultures contain genetic variation missing in surviving individuals of the critically endangered northern white rhinoceros. Genome-wide levels of genetic diversity and inbreeding in both southern and northern white rhinos were examined to aid future efforts toward genetic rescue and assisted reproduc...
The Robust Rattan Palm has been assessed as Endangered due to habitat loss and over-harvesting. Its limited range of 40 km² in Ghana and Côte d'Ivoire makes it highly vulnerable to extinction.
Researchers from the University of Exeter have tagged and tracked hundreds of loggerhead turtles in Greece to study their migration patterns. The results show most turtles come from nesting populations within 125 miles, but one female traveled over 1,000 miles to breed in Turkey and Syria.
A new plant species, Espeletia praesidentis, has been named to honor Colombian President Juan Manuel Santos' peace efforts. The discovery highlights the country's biodiversity hotspots and conservation challenges in these regions.
A new plant species, Espeletia praesidentis, has been discovered in Colombia's Páramo de Presidente region. The plant was named in honor of President Juan Manuel Santos due to his Nobel Peace Prize achievements, which made the area safe for researchers.
A new study maps species threat hotspots across the globe, connecting consumer purchases to environmental impacts. The research found that US consumption caused hotspot zones in Southeast Asia, Madagascar, and southern Europe, among other regions.
A recent study finds that urban centers like Hong Kong can play a crucial role in conserving globally threatened species. Introduced populations of these species have been thriving outside their native habitats, providing an opportunity to augment declining populations in their native ranges and mitigate threats to local ecosystems.
Feral cat population in Australia is estimated to be around 2-6.3 million, with densities higher on islands and in inland areas with low rainfall. The research also found that feral cats are undermining conservation efforts, driving species extinctions across the country.
Researchers at the University of Delaware developed models to improve environmental conservation on military bases, resulting in a 21% increase in military readiness and environmental protection. The study found that by considering the cost-effectiveness of project selections, the DoD can achieve significant benefits with reduced costs.
A recent study by WCS found over 1,000 juvenile hawksbill sea turtles at Glover's Reef, indicating a positive conservation effort. The protected waters provide a safe haven for the species to thrive, with a high survival rate and promising implications for the Caribbean region.
Research reveals broad public preference for habitat protection, rejecting lethal control and no government action. The study surveyed over 1,000 participants on the most effective approach to conserve endangered species.
Researchers found that statistics on endangered species, such as population decline and territory size, can elicit varying levels of fear among the public. Those with rational thinking styles perceived all five criteria as similar in terms of risk, while those with low rationality scores viewed differences between them.
A study published in PLOS ONE suggests Grauer's gorillas are Critically Endangered due to a 77% population decline over one generation. The research identifies three key areas critical for the remaining population and calls for greater conservation efforts, including halting mining and protecting wildlife.
A new study reveals that humpback whales' fidelity to local habitats plays a crucial role in their ocean-wide recovery. The research found that contemporary whales utilizing Glacier Bay and Icy Strait are mostly descendants of whales that previously used the area.
The Florida Scrub-jay study reveals that genetic diversity is vital to the species' survival, relying on immigrants from smaller satellite populations for genetic material in mating. The loss of these small populations has led to increased inbreeding and a decline in offspring survival rates.
Scientists have reclassified the Caesalpinia group, including Brazil's national tree Pau-brasil, into a unique genus called Paubrasilia. The study reveals that Pau-brasil represents a distinct evolutionary lineage, highlighting its cultural and historical importance.
The study highlights the risks of human presence on endangered ape populations, including disease transmission and habitat destruction. To mitigate these threats, Schultz proposes improving protocols and regulations for ecotourism and promoting understanding of interspecies disease transmission as a conservation threat.
A new report highlights the need for better data recording on seized live wild animals, as only one in three CITES countries provide data. The study found that two out of three countries did not report any live wildlife seizures, despite poaching and the estimated $8-10 billion global wildlife trafficking industry.
A recent study reports a surge in jaguar killings in Panama, primarily due to retaliatory attacks by cattle ranchers on the big cats' prey species. The research highlights the urgent need for conservation measures, including education and economic incentives, to protect the endangered jaguar population.
Four out of six great apes are listed as Critically Endangered due to illegal hunting and habitat loss. The Eastern Gorilla population has declined by over 70% in 20 years, while the Plains Zebra is threatened by hunting for bushmeat and skins. Invasive species are also destroying native Hawaiian plants, with 87% of endemic species thr...
A recent revision of the custard apple genus Monanthotaxis has revealed nine new species from tropical Africa, confirming the importance of herbarium collections in botany. The newly described species are found mainly in western central Africa and Tanzania, with several classified as critically endangered.
A new study found that many species face significantly longer wait times than initially thought, ranging from 6 months to 38 years. This delay can lead to extinction and reduced global biodiversity, contradicting the policies of the US Endangered Species Act.
New analysis reveals that 72% of the world's threatened species are imperiled due to human activities such as agriculture, land conversion, and overharvesting. Well-managed protected areas and sustainable agricultural practices can help reduce biodiversity loss.
Researchers tracked 75 Caspian seals using satellite trackers, uncovering surprising variation in their migration habits, hunting patterns, and food sources. The study provides vital information for conservation efforts, with potential applications in protecting seal habitats and planning human activities.
A study published in PLOS ONE reveals that the Southern tidewater goby, found only in three small lagoons in San Diego County, is a critically endangered new species. The goby has distinct morphological differences from its northern population, including fewer pectoral fin rays and more neuromasts.
Researchers found that eastern and red wolves are not evolutionarily distinct species but a hybrid of gray wolf and coyote ancestry. The study concludes that the ESA should protect hybrid species due to common interbreeding in the wild, which may not be harmful.
Genomic research by UCLA scientists finds that the gray wolf is not a separate species from coyote but rather a hybrid of the two. The study suggests that the gray wolf should retain its endangered species status due to incorrect justification for removal.
The European pet trade is putting rare reptile species at risk of extinction due to high demand and lack of effective regulation. Conservation efforts are being undermined by the lucrative black market for exotic animals, with smugglers using creative tactics to evade laws.
A new study by Lund University finds that assortative mating actually breaks down the sexual barrier between closely related species, leading to potential hybridization and extinction. Large females' reproductive capacity explains their attractiveness to smaller males' species.
A study published in Global Change Biology predicts that climate change will make it difficult for koalas to survive in the drier, hotter parts of their range. The researchers used a detailed ecological model to predict how much energy and water koalas need to survive under changing climate conditions.
The study found that venomous and endangered species, as well as those with higher body mass or posing a threat to humans, tend to be more interesting overall. The top 10 reptiles accessed on Wikipedia in 2014 were dominated by fearsome species like the Komodo dragon, saltwater crocodile, and king cobra.
Researchers plan to use stored tissue samples, cell lines, and sperm to develop stem cell technologies and create viable northern white rhinoceros populations. The ultimate goal is to establish self-sustaining populations in several decades.
The discovery of three new mouse lemur species in Madagascar highlights the need for conservation efforts to protect these tiny primates. The study, which used advanced statistical methods, provides insight into the evolutionary process and has significant implications for clarifying diversity in other species.
The Channel Island fox population has been found to have a surprising absence of genetic variation, with one population on San Nicolas Island showing an order of magnitude lower variation than any other known species. This near-absence of genetic variation poses a puzzle as to how the foxes have managed to thrive despite it.
The Indian Purple frog's unique development allows it to cling to underwater rocks as a tadpole and then dig underground as an adult. This adaptation enables the species to survive in ancient streams.
A proposed canal project in Nicaragua could deplete habitats of endangered animals like jaguars and Baird's tapirs. MSU researchers developed a conservation plan to minimize damage, suggesting adjustments to the canal design to preserve crucial habitat.
A recent study by three paleontologists reveals that over 85% of mammal species at high risk of extinction lack a fossil record. The researchers found that body size and geographical range are key factors in determining whether a species will leave behind a fossil legacy.
The study analyzed cycad species in The Red List, verifying 303 accepted taxa and finding no canonical description of conservation metrics. The research revealed varying threat categories among genera and geographic regions.
The study highlights the importance of time context in diet reconstructions, which can lead to conflicting results. By considering different time scales for dietary proxies, scientists can gain a more accurate understanding of an animal's eating habits.
A genetic analysis of critically endangered Orinoco crocodile hatchlings reveals that some clutches may be fathered by two or three male crocodiles. The study, published in PLOS ONE, found that half of the clutches were fathered by multiple males.
The five species of snub-nosed monkeys face extinction due to ecosystem fragmentation and deforestation, with governments working to protect them. Improving local living standards and public awareness on sustainable resource use are crucial for their long-term survival.
A return on investment model could bring clarity and openness to resource allocation for endangered species recovery. By redistributing funds from overfunded to underfunded species, over 180 plant and animal species may see improved recovery success rates.
A long-term study on Scottish island red deer reveals that inbred hinds raise significantly fewer offspring to adulthood due to increased mortality rates. Inbred males also sire fewer offspring, highlighting the adverse effects of inbreeding on adult wild animals.
Almost one-third of lemurs in Madagascar are kept as illegal pets, posing a threat to conservation efforts. Investigators found 302 captive lemur sightings and 15% of hotels with illegal captive lemurs advertised to tourists.