Articles tagged with Wildlife
A recent study found a narrow corridor of habitat in Mongolia threatened by herders and increased traffic, posing a migration bottleneck for the endangered saiga antelope. The species, known for its distinctive nose, has seen its numbers plummet by 95% due to poaching and competition with livestock.
A long-term study has found mercury levels impacting common loons' health, reproductive success, and behavior. Loons with high mercury levels spend less time at nests and produce fewer young, while also experiencing sluggishness and flight issues.
A study by the Wildlife Conservation Society found that healthy wolf packs can keep coyote numbers in check, leading to higher survival rates for pronghorn fawns. In areas with abundant wolves, only 10% of fawns survived without them, whereas in wolf-free areas, 34% did.
A new study maps emerging disease hotspots worldwide, revealing that human-wildlife conflict and drug-resistant pathogens are major contributors. The research, which analyzed 335 diseases from 1940 to 2004, shows that disease emergence has roughly quadrupled over the past 50 years.
Protected forest strips need to be at least 400m wide to conserve bird and mammal species in the Amazon rainforest. The current width of 60m is deemed insufficient, according to a new study by University of East Anglia researchers.
Tuna populations are at risk of collapse due to overfishing and habitat destruction. UBC economist Rashid Sumaila proposes a solution by establishing cooperative management agreements between developed and developing countries.
A study by the Wildlife Conservation Society found that white-tailed jack rabbits were once abundant in Greater Yellowstone but have disappeared since 1991. The disappearance may be causing elevated predation by coyotes on juvenile elk and other ungulates, highlighting the need for reintroduction.
Western lowland gorillas have been observed mating in a unique face-to-face position for the first time in the wild. This behavior is rare among primates, with only bonobos frequently employing ventro-ventral copulation.
A study by the University of Exeter found that only 30% of captive-born carnivores survive in the wild, with most deaths caused by humans. The research highlights the need for conservation projects to better prepare animals for living in their natural environment.
A new study suggests that Thailand's Western Forest Complex can potentially support around 2,000 tigers, with an estimated 720 tigers currently inhabiting the area. Improved enforcement and safeguarding measures are crucial for making these numbers a reality and ensuring the long-term survival of this iconic species.
The National Fish and Wildlife Foundation has awarded a major grant to the Manomet Center for Conservation Sciences to support shorebird conservation programs. The Western Hemisphere Shorebird Reserve Network will conduct conservation activities at 68 sites in nine nations, with a focus on addressing declines in shorebird populations.
Cross River gorillas are restricted to Nigeria and Cameroon, with only around 300 individuals remaining due to habitat loss. The Wildlife Conservation Society announces new field surveys to catalogue potential gorilla habitat and protect this endangered subspecies.
A new study reveals that wild house mice rely on specialized protein signals in their urine to recognize and avoid close relatives. The researchers found that these proteins serve as a genetic barcode, allowing animals to identify and reject potential mates based on their unique scent profiles.
In a study by the Wildlife Conservation Society, pregnant moose have shifted their movements to closer roads and infrastructure to avoid predation of their calves. Moose mothers use humans as a shield from grizzly bears and other predators due to human behavior.
A satellite tracking study by The University of Queensland, Australia Zoo and Queensland Parks and Wildlife Service found that saltwater crocodiles can swim long distances for days on end. Three relocated crocodiles were tracked swimming between 10 and 30 km per day.
A study found coyote densities are significantly lower in areas with wolves, indicating competition for resources. However, coyotes can survive by living in packs, reducing their vulnerability to wolves.
The Lacey Act, a 100-year-old law regulating invasive animal species, has failed to effectively prevent their spread in the US. The study found that many animals were already established when added to the list and continued to spread after listing, highlighting the need for an efficient risk assessment procedure.
The World Wildlife Fund and Allianz Foundation offer a national climate change education program for high school students displaced by Hurricane Katrina. The program aims to empower these students to address climate vulnerability in the Southeast US.
Female spotted hyenas prefer to mate with 'new arrivals' and males that have built friendly relationships, driving males to choose groups with high numbers of young females. This leads to a dispersal of males due to the higher availability of receptive females elsewhere.
Wildlife experts from WCS and FAO argue that keeping wild animals separate in wildlife markets can prevent disease outbreaks. Closing these trade hubs could significantly reduce the threat of emerging diseases like avian flu.
A recent study by the University of Alberta reveals that some Arctic foxes engage in polyandry, where females have multiple male mates, and multiple paternity, leading to increased genetic variation. This finding challenges previous notions of monogamous mating habits in canid species.
The wild tiger population has declined dramatically due to habitat loss and poaching, with only 7% of their historical range remaining. Experts warn that China's potential reopening of the tiger trade poses a new threat to the species' survival.
The wild tiger's population has declined by 41% over the past decade due to habitat loss and trade in tiger parts. Successful conservation programs, such as those in India and Nepal, have shown promise in protecting the species.
A team of scientists from Conservation International and World Wildlife Fund discovered a rare nesting ground for the endangered Cantor's giant softshell turtle in Cambodia's Mekong River. The survey revealed an abundance of the species, allowing for the release of hatchlings into the wild.
A new census confirms the Amur leopard's precarious survival, with fewer than 35 individuals remaining in the wild. The species is threatened by encroaching civilization, poaching, and climate change, highlighting the need for expanded protected areas and conservation efforts.
Coral reefs on Pulau Simeulue and Pulau Banyak were severely damaged due to the 2005 earthquake, with some species suffering up to 100% loss. However, despite initial mass mortality, some coral species are beginning to re-colonize shallow reef areas, offering hope for recovery.
UC Davis has been named a partner in a new $18.5 million national research center to study influenza viruses with pandemic potential. The Center for Rapid Influenza Surveillance and Research will expand the federal government's early-detection program for influenza and help reduce the chances of deadly outbreaks.
Jennifer Fewster, a UCF doctoral student, is studying giraffe excrement at Disney’s Animal Kingdom Lodge to understand what animals eat in the wild and improve captive nutrition. Her research could help conserve endangered herbivores by mimicking their natural landscape and food supply.
A new species of cichlid, Ptychochromis loisellei, has been named in honor of Dr. Paul Loiselle, an ichthyologist who has dedicated his career to safeguarding Madagascar's freshwater fishes. The newly described black and gold cichlid is about five inches long and found in several river systems in the northeastern part of the country.
The Eastern Arc Mountains in Tanzania and Kenya are home to over 1000 endemic species, many with ancient lineages. Effective conservation requires addressing human needs and securing protected areas to preserve biodiversity.
The National Fish and Wildlife Foundation granted $378,780 to WHSRN for shorebird conservation programs. The program will focus on strengthening partnerships, protecting habitats, and applying tools for habitat conservation. WHSRN aims to conserve four high-concern shorebird species and their habitats across the Americas.
Enforcement patrols in the Serengeti National Park have significantly reduced poaching of elephants, African buffaloes and black rhinos. The study used a catch-per-unit-of-effort technique to estimate poaching intensity, finding that increased patrols led to a precipitous decline in poaching and population recovery.
Researchers discovered a pattern to Ebola's spread, linking it to wildlife populations and climate. The study found that the virus spreads both within and between species, with outbreaks more frequent than previously believed.
The Wildlife Conservation Society has fitted GPS collars on eight saiga antelopes in the Mongolian Gobi Desert, aiming to better understand their movements and develop a comprehensive conservation strategy. The saiga numbers have plummeted by 95% due to poaching for Chinese medicines and competition with livestock.
Actor Harrison Ford was recognized for his lifelong passion toward environmental issues, emphasizing the need for individual responsibility in conserving nature. He has been an integral part of Conservation International's mission to conserve biodiversity worldwide.
A Northwestern University study finds that the kouprey, Southeast Asia's 'forest ox,' is unlikely to be a wild species due to its genetic similarity to a domesticated breed. The researchers believe it may have originated from a domestic hybrid between banteng and zebu cattle.
A new academic discipline, neuroarthistory, uses scanning techniques to answer questions about artistic phenomena and the origin of art. The research explains why certain styles emerged in different regions and periods, shedding light on the creative processes of artists such as Leonardo.
Researchers found a strong decline in lead levels in otters' bones between 1992 and 2004, reflecting reduced emissions from car fuel. The study highlights the importance of long-term monitoring and archiving of samples, providing valuable insights into human health impacts.
A six-year study at a massive experimental landscape found that wildlife corridors support more plant species, particularly native ones, than isolated areas. The results suggest that corridors are crucial for preserving both wildlife and plant biodiversity.
A study led by University of California, Santa Cruz researchers has confirmed that bullet fragments and shotgun pellets are the principal sources of lead poisoning in California condors. The study found that 77% of birds tested had lead levels linked to ammunition, highlighting the need for action to reduce lead exposure.
A declaration by top scientists states that mercury pollution poses significant risks to human health, particularly for children and women of childbearing age. The declaration also highlights the need for reduced mercury use and emissions, as well as careful fish consumption to minimize exposure.
The US Department of Agriculture is launching an oral rabies vaccination project in southwestern Virginia to combat the spread of raccoon rabies. Translocation of wildlife poses a significant threat to the program's success due to its ability to spread disease and increase stress on infected animals.
Scientists from NASA and the University of Maryland used a new tool to track possible habitats of the ivory-billed woodpecker in delta regions along the lower Mississippi River. The study aims to determine if the species is extinct or still living.
A comprehensive study finds tiger habitats have declined by 40% since last decade, with only 7% of historic range remaining. The report identifies 76 tiger conservation landscapes that can support viable populations, calling for increased protection and international cooperation.
The Wildlife Conservation Society has launched the 'Tigers Forever' initiative, aiming to increase tiger populations in key areas by 50% over a decade. The program involves working with local governments and partners to track tigers and boost anti-poaching activities.
Researchers analyzed 22 multispecies plans and found that 41% of covered species were unconfirmed. This lack of data can lead to nonuniform land use, posing a threat to protected species.
The most recent census found that efforts to protect the park's wildlife are reversing the trend of decline, with elephant populations increasing to 340 individuals. The park's large mammal populations have also increased, including buffalo and Uganda kob.
Researchers compared wild rodents to laboratory rodents and found that wild animals had higher levels of antibodies associated with allergy and autoimmune disease. This suggests that a lack of exposure to microbes in modern environments may contribute to these conditions.
A five-year study by WCS and partners investigates how natural gas development affects pronghorn antelope in Wyoming's Upper Green River Valley Basin. Preliminary findings show that pronghorn can adapt to human presence but tend to avoid fragmented areas, and proximity to development has no effect on their health.
An international team of scientists has discovered a new primate genus, Rungwecebus kipunji, through genetic analysis and collaboration. The discovery highlights the importance of interdisciplinary research and undergraduate involvement in biodiversity studies.
Scientists describe new genus of African monkey, Rungwecebus kipunji, after analyzing physical characteristics and molecular samples. The discovery sheds light on the evolutionary history of monkeys in Africa and Eurasia.
The newly discovered Rungwecebus monkey is a distinct genus, marking the first new species since 1923. The critically endangered monkey's habitat faces severe logging threats, prompting calls for global protection.
A recent study documents six new frog species found in Laos over a two-year period, showcasing the country's remarkable biodiversity. Conservationists are concerned about the combined loss of forest cover and over-exploitation of species threatening much of Laos' wildlife.
Researchers found that animals can detect movement direction from foot cues, which may help avoid predators. This low-level locomotion detector is part of an evolutionary old system, suggesting animal brains are 'hard-wired' for this type of recognition.
Researchers discovered that rats and mongooses rarely penetrate forest interior due to poorer habitats for reproduction, making natural forests ideal refuges for threatened island species. Conservation efforts should prioritize protecting remaining large blocks of natural forests on Pacific islands.
A joint study largely confirms earlier predictions that global warming will lead to mass species extinctions, particularly in biodiversity hotspots. The research assesses the potential effects of climate change on terrestrial biodiversity on a global scale, revealing catastrophic species loss across the planet.
Researchers found that forest degradation and human presence significantly influence the prevalence of parasitic nematodes in red colobus monkeys. The study's results suggest that easily measurable indices like stump density can predict host-parasite dynamics and inform conservation efforts.
Native insects provide valuable services worth $50 billion in recreation industry, $4.5 billion in pest control, $3 billion in crop pollination, and conserving grazing lands valued at $380 million annually. Insects are crucial for human survival, and their ecological functions need to be conserved or enhanced through research investment.
A study by Losey and Vaughan estimates the economic value of ecological services provided by insects at $57 billion annually in the United States. The services include natural control of crop pests, pollination, and wildlife nutrition, valued at $4.5 billion, $3 billion, and $50 billion respectively.
Scientists are sounding the alarm on the dangers of animal movement in spreading diseases, citing examples such as avian 'flu and diseases of pets through international travel. They call for improved communication and regular screening of animals before movement to prevent disease spread.