Endangered Animals

Endangered Animals

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  • If endangered primates disappear, so will their parasites. That's actually a problem
    on September 23, 2021 at 11:11 pm

    People are more aware of the plight of endangered gorillas than of gorillas' gut worms, and are understandably more enamored with mouse lemurs than their mites. Half of the world's roughly 500 primate species are at risk of extinction due to human activities such as hunting, trapping and deforestation. But the demise of the world's threatened primates could also trigger even more extinctions for the parasites that lurk within them, finds a new study.

  • An 'evolutionary rescue route' towards coexistence of competitive plant species
    on September 21, 2021 at 9:27 pm

    In nature, plant species having the same pollinators experience 'reproductive interference' owing to competition, and their coexistence is thought to be possible only through resource partitioning. However, recent studies have suggested that coexistence can occur without resource partitioning if the species evolve to self-pollinate. Now, researchers from Japan provide credibility to this hypothesis with simulations, establishing a novel mechanism for the coexistence of competing flowering species.

  • Loss of picky-eating fish threatens coral reef food webs
    on September 20, 2021 at 7:20 pm

    The networks of predator fish and their prey found on coral reefs all over the world are remarkably similar, and those predator fish are pickier eaters than previously thought. These delicate ecosystems become even more vulnerable when these specialized hunters go extinct.

  • Conservation study: Fostering wanderlust benefits pandas
    on September 20, 2021 at 12:21 pm

    New study shows home sweet home can be too sweet for some wildlife, and easing conservation standards can benefit both wildlife and people.

  • Fossil: New species of otter discovered in Germany
    on September 16, 2021 at 11:11 pm

    Researchers have discovered a previously unknown species of otter from 11.4-million-year-old strata at the Hammerschmiede fossil site.

  • ‘Whoop’ – new autonomous method precisely detects endangered whale vocalizations
    on September 15, 2021 at 1:54 pm

    One of the frequently used methods to monitor endangered whales is called passive acoustics technology, which doesn't always perform well. In the increasingly noisy ocean, current methods can mistake other sounds for whale calls. This high 'false positive' rate hampers scientific research and hinders conservation efforts. Researchers used artificial intelligence and machine learning methods to develop a new and much more accurate method of detecting Right whale up-calls -- a short 'whoop' sound that lasts about two seconds.

  • Roads have far-reaching impact on chimpanzees
    on September 15, 2021 at 12:58 pm

    Roads have a negative impact on chimpanzee populations that can extend for more than 17 km, new research shows.

  • Primate mothers may carry infants after death as a way of grieving, study finds
    on September 14, 2021 at 11:28 pm

    Some primate species may express grief over the death of their infant by carrying the corpse with them, sometimes for months, according to a new UCL-led study - with implications for our understanding of how non-human animals experience emotion.

  • Modern snakes evolved from a few survivors of dino-killing asteroid
    on September 14, 2021 at 3:12 pm

    A new study suggests that all living snakes evolved from a handful of species that survived the giant asteroid impact that wiped out the dinosaurs and most other living things at the end of the Cretaceous. The authors say that this devastating extinction event was a form of 'creative destruction' that allowed snakes to diversify into new niches, previously filled by their competitors.

  • Species in polar regions hard hit by climate change
    on September 14, 2021 at 3:02 pm

    Many species will become extinct as a consequence of global warming. This is the prediction of a mathematical model. The simulations show that climate change will have a particularly large impact on ecosystems in polar regions, mirroring changes that can already be seen in the natural world.

  • Long-distance relationships for endangered corals
    on September 8, 2021 at 10:07 pm

    Flash-frozen coral sperm was used to fertilize coral eggs from hundreds of miles away, this 'assisted gene flow' technique could be used as a conservation tool by introducing genetic variation into endangered corals and potentially accelerating their adaptation to climate change.

  • After 10,000 years of inbreeding, endangered flightless parrots from New Zealand are in surprisingly good genetic health
    on September 8, 2021 at 10:06 pm

    Before humans made their way to New Zealand, the critically endangered flightless parrot known as the k?k?p? likely numbered in the hundreds of thousands. By 1995, their numbers had dwindled to just 51 birds, including 50 isolated on tiny Stewart Island and a single male, known as Richard Henry, all alone on the mainland. Today, those numbers have grown to about 200 individuals. Now, the first genome sequencing of the species offer some surprisingly good news: despite 10,000 years of island isolation and inbreeding, the k?k?p? appear to have lost potentially deleterious mutations rather than accumulating them. In fact, they now carry fewer deleterious mutations than now-extinct populations on the mainland once did.

  • Scientists discover two new species and new genus of freshwater mussels in Borneo
    on September 7, 2021 at 8:06 pm

    Researchers have discovered two new species and a new genus of freshwater mussel in Borneo for the first time in almost 100 years.

  • Koala killer being passed to joeys from mom
    on September 7, 2021 at 3:07 pm

    A deadly koala virus that can cause immune depletion and cancer, known as koala retrovirus, is being transferred to joeys from their mothers, according to scientists.

  • Indian wolf among world’s most endangered and distinct wolves
    on September 2, 2021 at 9:46 pm

    The Indian wolf could be far more endangered than previously recognized, say first scientists to sequence its genome. Indian wolves could also represent the most ancient surviving lineage of wolves.

  • Wing shape determines how far birds disperse
    on September 2, 2021 at 9:46 pm

    Bird dispersal movements are thought to depend on complex demographic and genetic factors. Researchers show that there may be a simpler explanation: bird dispersal distances depend on the morphology and flight efficiency of the wings. Bird populations and the capacity of species to move across the landscape can determine which species will thrive and which may become endangered.

  • Grim warning for Aussie species in conservation checklist
    on September 2, 2021 at 4:49 pm

    The first comprehensive list of the threats to Australia's most endangered plants and animals reveals blunt news about the future for some of the country's favorite species. The study has compiled a data set, listing the threats to Australian species from habitat loss, fragmentation, and degradation.

  • Warming Atlantic drives right whales towards extinction
    on September 1, 2021 at 11:14 pm

    Warming oceans have driven the critically endangered North Atlantic right whale population from its traditional and protected habitat, exposing the animals to more lethal ship strikes, disastrous commercial fishing entanglements and greatly reduced calving rates. Without improving its management, the right whale populations will decline and potentially become extinct in the coming decades, according to a recent report.

  • Illegal cannabis farms infringe on crucial habitat for sensitive birds and mammals
    on September 1, 2021 at 6:26 pm

    Sites favored by illegal cannabis farmers on the West Coast of the United States overlap with the habitat ranges of three threatened predators, potentially exposing them to toxic pesticides, according to a new study.

  • Doubling the number of species of hand-standing spotted skunks
    on September 1, 2021 at 1:00 pm

    Spotted skunks aren't as well-known as their striped cousins, and scientists still have a lot to learn about them, starting with how many kinds of them even exist -- over the years, the number of recognized species has ranged from two to fourteen, and lately, scientists have agreed there are four. But in a new paper, researchers analyzed skunk DNA and found that there aren't four species of spotted skunk after all: there are seven.

 

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