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Endangered listing urged for cheetahs

Researchers present evidence that low cheetah population estimates in southern Africa support a call to list the cheetah as "Endangered" on the International Union for Conservation of Nature (IUCN) Red List. Read more

Toxoplasmosis: How a cat parasite exploits immune cells to reach the brain

Scientists have previously shown that a parasite from cats can infect people's brain and affect our behaviour. Now, researchers at Stockholm University have discovered how the parasite takes control of our cells. Read more

New species of extinct marsupial lion discovered in Australia

A team of Australian scientists has discovered a new species of marsupial lion which has been extinct for at least 19 million years. The findings are based on fossilized remains of the animal's skull, teeth, and humerus (upper arm bone) found in the Riversleigh World Heritage Area of remote nor Read more

Tigers cling to survival in Sumatra's increasingly fragmented forests

A research expedition tracked endangered tigers through the Sumatran jungles for a year and found tigers are clinging to survival in low density populations. The study found that well-protected forests are disappearing and are increasingly fragmented: Of the habitat tigers rely on in Sumatra, 17 per Read more

Cooling climate drove evolution of Tasmanian Devil and its relatives

A big drop in global temperatures 12-14 million years ago may explain the evolutionary success of Australia's unique marsupial carnivores, a new study has found. Read more

Medium-sized carnivores most at risk from environmental change

In a surprise ecological finding, researchers discover medium-sized carnivores spend the most time looking for food, making them vulnerable to change. Read more

Intestinal worms may solve allergy puzzle

While young people with parasite worms currently have a four times higher risk for developing allergies and asthma than others, their parents are generally unaffected. Researchers were surprised when they found that intestinal worms, so-called Helminths (Toxocara Canis) from animals, actually have a Read more

Sorry, Grumpy Cat: Study finds dogs are brainier than cats

The first study to actually count the number of cortical neurons in the brains of a number of carnivores, including cats and dogs, has found that dogs possess significantly more of them than cats. Read more

Dogs get the Hollywood treatment to make animal animations more realistic

Researchers are creating a library of movement data from different dog breeds, to make animal animations in films and video games more realistic. Read more

Tiger bones? Lion bones? An almost extinct cycad? On-the-spot DNA checks at ports of entry

Wildlife species are going extinct faster than humankind can reliably keep track of. Meanwhile, wildlife crime evolves quickly, with new tricks fueling a lucrative illegal global trade. As a result, customs and other port-of-entry officials confronted with unidentifiable bits of animals and plants n Read more

Scientists investigate how different houses and lifestyles affect which bugs live with us

Humans have lived under the same roof with bugs since we first began building shelters 20,000 years ago. Now, scientists are studying how physical factors of our homes -- from the floor plan and the number of windows to even how tidy we are -- may play a role in the diversity of the multi-legged com Read more

Feral animals pose major threat to Outback, climate change study finds

A study of changing rainfall and wildfire patterns over 22 years in Australia's Simpson Desert has found - in addition to a likely climate-induced decrease in cover of the dominant plant spinifex - introduced cats and foxes pose a major threat to seed-eating rodents. Read more

Cell Biology: Cellular power outage

Protein aggregation is a hallmark of many neurodegenerative diseases. Even in normal cells, such deposits can accumulate in mitochondria, blocking energy production, but a newly described quality control system can mitigate the problem. Read more

Sumatran tigers on path to recovery in 'in danger' UNESCO World Heritage site

New research looks at the effectiveness of the park's protection zone and finds that the density of Sumatran tigers has increased despite the continued threat of living in an 'In Danger' World Heritage Site. Read more

Ancient DNA offers new view on saber-toothed cats' past

Researchers who've analyzed the complete mitochondrial genomes from ancient samples representing two species of saber-toothed cats have a new take on the animals' history over the last 50,000 years. The data suggest that the saber-toothed cats shared a common ancestor with all living cat-l Read more

Pumas found to exhibit behaviors like social animals

Pumas, long known as solitary carnivores, are more social than previously thought, according to a new study. The findings provide the first evidence of complex social strategies in any solitary carnivore -- and may have implications for multiple species, including other wild cats around the world. Read more

Bycatch responsible for decline of endangered New Zealand sea lion

Getting caught in fishing nets is a major cause of death for the increasingly endangered New Zealand sea lion, according to new research. Read more

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