Endangered Animals

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  • Eleven seal species narrowly escaped extinction
    on November 16, 2018 at 4:06 pm

    Population geneticists have found that eleven seal species only narrowly escaped extinction. […]

  • Establishment of the immortalized cell line derived from Okinawa rail (endangered species)
    on November 16, 2018 at 1:32 pm

    As part of the cellular conservation of endangered species, our group initiated a primary cell culture project aimed at preserving endangered avian species in Japan, such as the Okinawa rail. However, primary cells cannot be cultured indefinitely because of cellular senescence and stresses caused by cell culture. To overcome these cell culture limitations, primary cells must be immortalized. As a result, we succeeded to obtain the immortalized avian cells with cell cycle regulation genes expression. […]

  • First tally of US-Russia polar bears finds a healthy population
    on November 14, 2018 at 7:43 pm

    The first scientific assessment of polar bears that live in the Chukchi Sea region that spans the US and Russia finds the population is healthy and does not yet appear to be suffering from declining sea ice. […]

  • Tropical trees in the Andes are moving up -- toward extinction
    on November 14, 2018 at 6:20 pm

    In the most comprehensive study of its kind, biologists have found that tropical and subtropical forests across South America's Andes Mountains are responding to warming temperatures by migrating to higher, cooler elevations, but probably not quickly enough to avoid the loss of their biodiversity, functional collapse, or even extinction. […]

  • Primates of the Caribbean: Ancient DNA reveals history of mystery monkey
    on November 13, 2018 at 12:16 am

    Analysis of ancient DNA of a mysterious extinct monkey named Xenothrix -- which displays bizarre body characteristics very different to any living monkey -- has revealed that it was in fact most closely related to South America's titi monkeys (Callicebinae). Having made their way overwater to Jamaica, probably on floating vegetation, their bones reveal they subsequently underwent remarkable evolutionary change. […]

  • Misunderstood flying fox could prove bat species demise, warn scientists
    on November 12, 2018 at 6:16 pm

    A large fruit-eating bat native to Mauritius is the subject of controversy over the announcement of a major cull to protect the Indian island's fruit crops, despite a lack of evidence as to the extent of damage directly attributed to the endangered species. Monitoring the damage directly caused by the Mauritian flying fox to commercial fruit, researchers found the bat is responsible for only some, and could be managed effectively without the need to cull. […]

  • Con­ser­va­tion areas help bird­life ad­apt to cli­mate change
    on November 12, 2018 at 6:16 pm

    A warming climate is pushing organisms towards the circumpolar areas and mountain peaks. A recently conducted study on changes in bird populations reveals that protected areas slow down the north-bound retreat of species. […]

  • Freshwater turtles navigate using the sun
    on November 9, 2018 at 3:14 pm

    A new study shows that simulating a clock shift of six hours causes hatchling Blanding's turtles to shift their course, demonstrating that the sun is central to their navigational compass. […]

  • Decline in shorebirds linked to climate change, experts warn
    on November 8, 2018 at 7:24 pm

    Researchers have discovered that daily nest predation of shorebirds has increased threefold over the last 70 years. The data suggest the larger increase in the Arctic relative to the tropics indicates a link to climate change. […]

  • New tool to predict which plants will become invasive
    on November 8, 2018 at 7:22 pm

    New research provides insight to help predict which plants are likely to become invasive in a particular community. The results showed that non-native plants are more likely to become invasive when they possess biological traits that are different from the native community and that plant height can be a competitive advantage. […]

  • Orangutans spontaneously bend straight wires into hooks to fish for food
    on November 8, 2018 at 4:17 pm

    Cognitive biologists and comparative psychologists have just studied hook tool making in a non-human primate species -- the orangutan. To the researchers' surprise the apes spontaneously manufactured hook tools out of straight wire within the very first trial and in a second task unbent curved wire to make a straight tool. […]

  • Marine Protected Areas overlook a large fraction of biodiversity hotspots
    on November 8, 2018 at 2:13 pm

    Around 75 percent of marine biodiversity in Finnish waters is left unprotected, reveals a performance assessment of the country's current Marine Protected Area network. Increasing protection by just 1 percent in the most biodiverse areas could double conservation of the most important species. In addition to identifying areas of high conservation value, the methodology can also be used in ecosystem-based marine spatial planning and impact avoidance, including siting of wind energy, aquaculture and other human activities. […]

  • Amazon forests failing to keep up with climate change
    on November 8, 2018 at 2:13 pm

    New research has assessed the impact of global warming on thousands of tree species across the Amazon to discover the winners and losers from 30 years of climate change. The analysis found the effects of climate change are altering the rainforest's composition of tree species but not quickly enough to keep up with the changing environment. […]

  • New hope for world's most endangered mammal
    on November 7, 2018 at 6:02 pm

    New genetic analysis of white rhino populations suggests it could be possible to rescue the critically endangered northern white rhinoceros from extinction, using the genes of its less threatened southern cousin. […]

  • Protecting adult female north atlantic right whales from injury and death key to recovery
    on November 7, 2018 at 3:36 pm

    Why is the endangered western North Atlantic right whale population growing far more slowly than those of southern right whales, a sister species also recovering from near extinction by commercial whaling?  Researchers looked more closely at the question and have concluded that preserving the lives of adult females in the population is by far the most effective way to promote population growth and recovery. […]

  • An overlooked giant: Useful and abundant, African 'Zam' palm newly described for science
    on November 7, 2018 at 3:36 pm

    It might have been it's extremely large size, or maybe confusion with a similar species, that has previously discouraged botanists from collecting and describing a fairly common palm, now named Raphia zamiana. Locally known and widely used in Cameroon and Gabon, the ''Zam'' has now been officially described, alongside a less common Gabonese endemic species from the same genus and already possibly endangered. […]

  • Bats vs. Dolphins: Ultimate battle of sonar systems
    on November 6, 2018 at 10:18 pm

    To find ways to improve human-made active sensing, scientists worldwide study the sonar systems of bats and dolphins. […]

  • First study of humpback whale survivors of orca attacks in the Southeastern Pacific
    on November 6, 2018 at 8:04 pm

    Scars left by orca attacks indicate that most victims are young whales on the first trip from breeding to feeding grounds. Increasing numbers of scars may mean that there are more orcas in the Southern Pacific, researchers say. […]

  • More affordable and effective conservation of species
    on November 5, 2018 at 5:25 pm

    No one had reported seeing the strange creature -- a cross between a bear and a monkey -- since before the Great Depression. Then, this past summer, an amateur biologist stumbled upon the presumed-extinct Wondiwoi tree kangaroo while trekking through Papua New Guinea. The revelation underscored how little we still know about the natural world -- a major obstacle to conservation. […]

  • Despite government claims, orangutan populations have not increased
    on November 5, 2018 at 5:24 pm

    Orangutan populations are still declining rapidly, despite claims by the Indonesian Government that things are looking better for the red apes. Scientists criticize the use of inappropriate methods for assessing management impacts on wildlife trends. The researchers call for scientifically sound measures to be employed in order to ensure that wildlife monitoring provides reliable numbers. […]

 

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