Articles tagged with Endangered Species
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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 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.
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 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.
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.
A recent survey has found that approximately 14,600 Sumatran orangutans live in the wild, exceeding previous estimates of 6,600. However, continued deforestation poses a significant threat to their survival, with up to 4,500 individuals at risk of disappearing by 2030 if current plans are implemented.
A new study from Griffith University uses population viability modelling to quantify the impact of ecotourism on threatened species. For seven out of nine species analysed, ecotourism provides net conservation gains through measures like private reserves and habitat restoration.
Most US marine fish and invertebrate species are vulnerable to climate change, with some more resilient than others. The study ranks species based on their vulnerability, predicting widespread distribution shifts and potential impacts on abundance and productivity.
A recent study has found that the majority of species are poorly known, making it difficult to determine their conservation status. Newly discovered species are often found to have smaller ranges and occupancies, as well as greater perceived extinction risk.
Researchers have raised laboratory-bred colonies of a threatened Caribbean coral species to sexual maturity, reproducing simultaneously with their natural population. This breakthrough technique increases genetic diversity and provides new hope for the recovery of dwindling elkhorn coral populations.
A new, tiny arboreal toad species from the Andaman Islands has been identified, prompting concerns about its endangered status. The 'Andaman bush toad', named Blythophryne beryet, is characterized by its reddish-brown coloration and is threatened by human activity and invasive fauna.
A new report proposes six broad strategies to raise the effectiveness of the US Endangered Species Act for endangered species recovery, based on a thorough review of scientific literature. The strategies include expanded partnerships and innovation in implementing the law to address pervasive threats.
A recent study by the University of Melbourne found that every Australian city and town has threatened species. The study highlights the importance of planning and managing cities for conservation as well as human wellbeing.
A new study estimates that up to 8,690 Amazonian tree species may face extinction, with more than half of the world's tropical tree species at risk. Protected areas and indigenous territories have made strides in preserving biodiversity, but further management is crucial to prevent extinctions.
A new study by James Cook University scientist Professor William Laurance suggests that over half of Amazonian tree species are globally threatened. Protected areas and indigenous territories have the potential to protect many of these species if properly managed.
A new study suggests that up to 57% of Amazonian tree species are globally threatened, but protected areas and indigenous territories can protect most of the affected species. The study's findings highlight the importance of preserving these critical ecosystems.
The discovery of an ancient Iberian lynx specimen provides new insights into the evolution and origins of this endangered feline species. The fossil remains, dated to 1.6-1.7 million years ago, reveal a larger and heavier body than the modern species.
Thirty-one percent of cactus species are threatened with extinction, primarily due to the illegal trade of live plants and seeds. Key threats include unsustainable harvesting and smallholder livestock ranching, affecting 47% of threatened species.
A new study proposes a logical classification scheme for dogs and wolves, revealing that domestic dogs are descendants of two interbred species: an extinct Asian wild dog and the grey wolf. This finding has implications for wolf conservation, as some hybrids have evolved into full species.
A Purdue University study develops a statistical approach to estimate the number of generations remaining before a population reaches low genetic variation. The method performs significantly better than current methods for identifying species in need of conservation efforts.
A three-year study led by QUT found that controlling feral pigs is the most cost-effective strategy to conserve 148 endangered plant and animal species in the Lake Eyre Basin. Implementing these strategies could increase food production by up to 10% and save the Australian economy $5 billion annually.
A study published in PLOS ONE found that the Hawaiian hoary bat migrated to Hawaii from the Pacific coast of North America in two separate waves over 9,000 years apart. This genetic history suggests that the current legal protection may be inadequate or misdirected, highlighting the need for updated conservation efforts.
A new study finds that shoppers' willingness to pay more for sustainably grown palm oil could create profitable incentives for producers to preserve certain wildlife habitats. The study shows that higher prices for 'conservation grade' products can promote biodiversity at the least cost to oil palm companies.
Research by University of East Anglia reveals that a willingness among consumers to pay more for sustainably-grown palm oil could incentivise producers to engage with conservation projects. This approach has the potential to support vulnerable 'Red List' species and provide cost-effective conservation options.
Queensland scientists have discovered five new species of antechinus, a 50% increase in diversity within the genus. Three of these species are already under threat from climate change, feral pests, and habitat loss, with one species destined for the threatened list.
A new analysis of archived calls from North Atlantic right whales reveals distinctive traits that might be used to identify and track individuals. The researchers found that a combination of variables, including call duration and fundamental frequency change, could distinguish between upcalls of individual whales.
Researchers tracked loggerheads from Dry Tortugas National Park to Bahamas, finding they spend most of their lives there before returning to nest. This new information helps identify areas for conservation efforts to protect the threatened northwest Atlantic population.