Tag: "cats" at biology news

Tiny collars fitted on youngest-ever tiger cubs

...ers for the project, which has been monitoring the cats in the Russian Far East for the past decade. The ...n that studies tigers in every country where these cats occur....

Study: Mothers turn fearless when peptide level drops

... author of the recent paper. "There are stories of cats rescuing their kittens from burning buildings and birds swooping down at people when their chicks are on the ground." In terms of biology, it makes sense that mothers would lay down their own lives to protect their offspring, especially if i...

A changing landscape may have dire implications for birds

...as the domesticated animals that accompany humans, cats and dogs in particular, exact a heavy toll on native forest bird species. What's more, human activities, such as the growing use of all-terrain vehicles and the replacement of native vegetation with exotic and ornamental plants, reduces cover and foo...

Noah's modern ark: The role of ART in conserving endangered species

... there is huge variation. There are 37 species of cats and they all differ physiologically! So without the knowledge generated using ART tools we'll never be able to manage and conserve these species better. "Thirdly, there is the point about genetic management. Our goal is not simply to produce an off...

Mother lode of jaguars discovered in Bolivia park

... of Zoology, as many as 1,000 of these elusive big cats may call Kaa-Iya home. Using methodologies developed by WCS to count tigers in India, the researchers employed remote camera "traps" to photograph jaguars, recording each animal's unique spotting pattern. Through a statistical analysis that counts ...

Following complex motions

...ousins, tree shrews and rodents, lack. (Curiously, cats appear to have developed a similar visual center independently.) Now a study, published in the Proceedings of the National Academy of Sciences, provides new support for the hypothesis that MT evolved early in the course of primate evolution when our...

UF researcher: Animals think in their own way, but unlike humans

...at who previously helped them." Closer to home, cats and dogs completely differ in how they relate to their environment, particularly when it comes to people. Once social hunters, dogs desperately need to be part of a pack and will do anything to stay with their owners, even if mistreated. On the other...

Oldest known evidence of cat taming found in Cyprus, researchers report in Science

... have long suspected that humans began taming wild cats much earlier, they had limited evidence supporting this idea. Wild cats probably began to associate with humans as agricultural societies arose in Western Asia during the E...

World's largest tiger reserve declared in Myanmar

...he largest protected area for these endangered big cats on earth. Called the Hukawng Valley Tiger Reserve, the Vermont-sized protected area culminates more than five years of collaborative work between WCS and the Myanmar Forest Department that catalogued not only the region's wildlife, but also identifie...

USGS February science picks

...itoring by USGS scientists has revealed that feral cats and other non-native predators are threatening the... exist today. The scientists discovered that feral cats kill chicks in about 10 percent of palila nests found on Mauna Kea Volcano each year. Surveillance v...

Illinois study seeking biomarkers of canine diabetes, other diseases

... among the 40 percent of aging overweight dogs and cats in the United States, and other medical issues. The general study of metabolic profiles of cells, tissues and organisms is designed to identify molecular markers that reflect nutritional and/or health status. Eventually, Schook said, such studies cou...

Aggregation of cloned mouse embryos improves survival rate

...s." Despite the successful cloning of sheep, pigs, cats and most recently rats, mammalian cloning -- in which an ordinary cell's nucleus is transferred to an egg whose nucleus has been removed -- remains remarkably inefficient. Of every 100 cloned mice, roughly one survives to birth. The researchers foun...

Species vs. Species

...s were inadvertently caught in traps set for feral cats or held in captivity during the breeding season. Either way, these foxes were not breeding and so were not bolstering the population. In 2000, more than a tenth of the foxes were held in captivity during the breeding season. In 2003, fox control effo...

Bones from French cave show Neanderthals, Cro-Magnon hunted same prey

...late Pleistocene Epoch, similar to the saber tooth cats and mammoths in North America. If further study supports Kurtn's argument, we finally may be in a position to confirm a human role in the extinction of a large Pleistocene mammal on a Northern Hemisphere continent." ...

Americans' knowledge of genetically modified foods remains low and opinions on safety still split

...n animals used for other purposes, such as horses, cats and dogs. When asked about specific purposes for pursuing genetic modifications, nearly every purpose that involved plants (e.g. reducing the need to use pesticides) was considered a better reason to pursue genetic modifications than those that invo...

Study sheds light on critical relay in visual circuit of the brain

...sing between the poles. By examining the brains of cats with their subplate neurons removed, the researchers have shown that not only is the structure involved in strengthening the signal from the LGN to the layer 4 neurons, but without it, the distinctive ocular dominance and orientation columns do not f...

Troubling news about sea otter deaths

... land mammals not native to California -- domestic cats for Toxoplasma and opossums for Sarcocystis. UC Davis has another study under way to find out how those parasites are getting from the land into the ocean; storm-drain water runoff is one suspect. The second cluster was due to acanthocephalan worm in...

Borrowing from Ebola virus could aid cystic fibrosis gene therapy

...e immunodeficiency virus, which causes leukemia in cats but no disease in humans. When the hybrid virus is delivered to airway cells, the modified Ebola protein acts like a key that fits into a lock, or receptor, on the top surface of the airway cells. Because the protein piece can "fit" onto the top surf...

Science Picks--Leads, Feeds and Story Seeds (April 2003)

...r pits were a tourist attraction, when saber-tooth cats and mastodons roamed the area that is now metropolitan Los Angeles, frequent major earthquakes shook the ground. There is now strong scientific evidence, funded through a grant from the USGS, that downtown L.A. has been the site of several greater t...

Highlights of American Chemical Society's national meeting in New Orleans

...e found that oil from the catnip plant beloved by cats repels and kills termites, which cause millions of dollars in damages to homes in the United States each year. This oil could be developed into a commercial product that may provide a less toxic alternative to currently used pesticides, according to...

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