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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

Advance achieved in dry preservation of mammalian sperm cells

In an important advance in the preservation of animal reproductive material, researchers have achieved the first successful drying and rehydration of domestic cat sperm using a rapid microwave dehydration method. More challenging to dehydrate than rodent sperm because of the presence of a centrosome Read more

Saber-toothed kittens may have been born with thicker bones than other contemporary cats

Saber-toothed kittens may have been born with thicker bones compared to other contemporary cats, but they have a similar pattern of bone development, according to a new study. Read more

How do zebrafish develop their stripes?

A mathematician has thrown new light on the longstanding mystery of how zebrafish develop the distinctive striped patterns on their skin. Read more

Parasitic eye infection poses significant threat to UK dogs, warn experts

A parasitic worm that is becoming increasingly common in Europe poses a significant threat to UK dogs, warn experts in a new report. Read more

Owners of seriously ill pets at risk of stress, anxiety and depressive symptoms

Owners of seriously or terminally ill pets are more likely to suffer with stress and symptoms of depression and anxiety, as well as poorer quality of life, compared with owners of healthy animals, finds a study. Read more

Delayed weaning reduces behavioural problems in cats

Early weaning increases aggression and stereotypic behavior in cats. Based on the study, the recommended weaning age of 12 weeks should be raised by at least two weeks. Delaying weaning is an easy and cost-efficient way of improving the quality of life of cats. Read more

Lion conservation requires effective international cooperation

In response to the alarming population declines of one of the most charismatic representatives of the megafauna, the lion, a team of international wildlife lawyers and lion experts joined efforts to assess the current and potential future role of international treaties regarding the carnivore's Read more

How tails help geckos and other vertebrates make great strides

A wagging tail is often associated with dogs' emotions, but the side-to-side motion may also help them take longer strides and move faster, according to a study. The research was done on leopard geckos, which are ideal animals for the study of tail function because they naturally lose their tai Read more

Research dog helps scientists save endangered carnivores

Scat-sniffing research dogs are helping scientists map out a plan to save reclusive jaguars, pumas, bush dogs and other endangered carnivores in the increasingly fragmented forests of northeastern Argentina, according to a new study. Read more

How invasive species threaten bats

A new review is the first to describe the scope of threats to bats by invasive species. Read more

‘Euro Devil’: Fossil of carnivorous marsupial relative discovered in E Europe

Scientists have discovered fossil remains of a new carnivorous mammal in Turkey, one of the biggest marsupial relatives ever discovered in the northern hemisphere. Read more

Largest-ever study of pets and kids' health finds no link

A large body of research has reported an association between the pet ownership and better health among children. But a new study that is the largest-ever to explore the issue contradicts the common thinking. Researchers did find that children from pet-owning families tended to have better general he Read more

Wildlife royalties: A future for conservation?

Should people who profit from the cultural representation of wildlife pay towards conservation? That is the question asked in a new research study. Read more

The truth about cats' and dogs' environmental impact

US cats and dogs cause 25-30 percent of the environmental impact of meat consumption in this country. The nation's 163 million cats and dogs eat as much food as all the people in France. People should keep their pets -- and keep feeding them meat -- but there may be steps pet owners can take to Read more