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Tag: "tiger" at biology news

Camera Traps Catch Eye of the Tiger

... Dr. Sybille Klenzendorf, lead scientist for WWF's tiger program. "We're racing to find out as much about t... WWF put 30 camera traps in the forests -- one per tiger home range (about 40 square miles) -- and checks them every 3-4 weeks. Because the cameras have been...

Small species back-up giant marsupial climate change extinction claim

... species such as the woolly mammoth and sabretooth tiger dominated the landscape, while in Australia - which evolved for 40 million years in isolation - giant marsupials ruled. Current theories suggest that between 50,000 and 20,000 years ago, increasing aridity in Australia led to cooler and drier condit...

Siberian tigers hang tough

...ults of the latest full range survey indicate that tiger numbers in Russia appear to be stable, say the coo...lts are preliminary, the news is welcome relief to tiger conservationists around the world, who have seen spiraling decreases in tiger numbers in other parts...

Cattle grazing may help rather than hurt endangered species

...egrade the vernal pool habitat of fairy shrimp and tiger salamanders. Cattle grazing influences the rates ..., potentially, leaving endangered fairy shrimp and tiger salamanders without enough time to mature before their temporary aquatic environments disappear. "C...

Viagra's hidden help for wildlife

...el. "For example, there is still strong demand for tiger bone among TCM apothecaries who use it in the treatment of pain relief, despite the widespread availability of aspirin. "But the failure to achieve an erection isn't comparable to having a headache or the many other ailments for which consumers stil...

Protecting endangered species helps reduce poverty

...ion of vital habitat corridors for the survival of tiger populations living there. WWF is helping local people to manage and directly benefit from these forest resources. According to the report, groups of community forest users can earn $4,760 annually in a nation where the per capita income is roughly $2...

Taipan venom no snake oil

... rough-scaled snake, Stephens banded snake and the tiger snake. "Only the mulga did not have Factor X as it has developed its own unique mechanism of killing." Dr St Pierre said snake venom was a huge untapped source of potential drug therapies. His study is the most detailed ever conducted on the genes...

UGA study explains peaks and troughs of dengue epidemics

...egypti and the related Aedes albopictus (the Asian tiger mosquito) have the potential to spread dengue in sporadic outbreaks in the Southern and Southeastern United States. Rohani said the same modeling techniques he and Wearing used to study dengue can help shed light on the transmission of other multi-...

New tiger report release: Tiger habitat down from just a decade ago

The most comprehensive scientific study of tiger habitats ever done finds that the big cats reside ...r Fund and produced by some of the world's leading tiger scientists at World Wildlife Fund, Wildlife Conservation Society, the Smithsonian's National Zoologi...

Tigers get a business plan

...ew program that calls for a 50 percent increase in tiger numbers in key areas over the next decade, accordi...ahole National Park and the Russian Far East where tiger numbers have rebounded, the new plan says that tigers can grow to an approximately 1,200 individuals...

Alarming decline in Nepal's rhinos and tigers in former Maoist stronghold

...emier national parks reveal an alarming decline in tiger and rhino populations, indicating widespread poach...of antipoaching patrols in this critical rhino and tiger habitat, which was under the control of Maoist insurgents. "It became too dangerous to send staff...

PNAS study reveals why organs fail following massive trauma

Massive trauma, say from a sabertooth tiger attack, meant immediate death for the primitive human. Modern man is more likely to survive severe injury caused by a car crash, gunshot or fall thanks to high-tech emergency medicine. Unfortunately, the body does not know what to do when it survive...

Wild tigers need cat food

...ected areas with high prey densities in an overall tiger conservation strategy, along with anti-poaching efforts and eliminating trade in tiger body parts. The nine-year study in India’s Nagarahole National Park found that an average of 23 per...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

... extent of the declines: scalloped hammerhead and tiger sharks may have declined by more than 97 percent; bull, dusky, and smooth hammerhead sharks by more than 99 percent. "Large sharks have been functionally eliminated from the east coast of the U.S., meaning that they can no longer perform their ec...

Moths mimic sounds to survive

...nse to the sonar that bats use to locate prey, the tiger moths make ultrasonic clicks of their own. They b...t of structures called “tymbals.” Many species of tiger moth use the tymbals to make specific sounds that warn the bat of their bad taste. Other species ma...

Lessons from the orangutans: Upright walking may have begun in the trees

...nd, which is incredibly risky because the Sumatran tiger is down there licking its lips. The Sumatran orangutan population is predicted to be extinct in the next decade if habitat degradation continues. Our research further highlights the need for protecting these animals," she said....

Threats to wild tigers growing

The wild tiger now occupies a mere 7 percent of its historic rang...Science. Growing trade in folk medicines made from tiger parts and tiger skins, along with habitat loss and fragmentation, is believed to be the chief reason...

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