Sentences with phrase «dogs and wolves in»

In their studies, the researchers also found minor genetic contributions from crossbreeding between dogs and wolves in other geographic regions, including the Middle East.

Differences in persistence between dogs and wolves in an unsolvable task in the absence of humans

My publisher, Autonomedia, also published Levi's, Between Dog and Wolf in 1999.

Not exact matches

The 25 - person staff lets a variety of pets roam the office, including dogs, a cat who lived in - house for a year while its owners moved, and even a full - fledged, domesticated wolf.

«We found that instead of recent wolves being closest to domestic dogs, ancient European wolves were directly related to them,» said Robert Wayne, a professor of ecology and evolutionary biology in UCLA's College of Letters and Science and senior author of the research.

They [atheists] become as dogs, goats, swine and wolves in their irrationality.

However, and this is where evolution kicks in, all breeds of dog alive today descended from wolves.

As with most human activities, as our knowledge increased, dog breeding improved and exploded in the 1900s, with the current 600 or so breeds of dogs all descendent from the original wolf.

Sitting in my newly arranged living room, noshing on a luscious creamy piece of pie and watching my giant wolf dog allow my baby to hug his neck, life doesn't seem like it could get much better.

The wolf (including the dingo), coyote, jackal, and domestic dog all have 78 chromosomes arranged in 39 pairs.

Since wolves were reintroduced to the U.S. West in the 1990s, ranchers there have wondered whether their dogs — including Maremma Sheepdogs and Great Pyrenees — are still up to the task of guarding their flocks.

Scientists agree that dogs stem from wolves, but where, when and how many times dogs were domesticated — passing down tameness and other traits over generations — has been rethought many times in the last few years (SN: 7/8/17, p. 20).

The Blue Wilderness brand is designed to appeal to your dog's wild ancestors — and though your Shih Tzu may seem very little like the wolves in their ancestry, they can still appreciate a kibble packed with high - quality proteins!

Just as it does in dogs and humans, the disease attacks a wolf's brain, causing aggressive behavior and, eventually, death.

Because the dogs roam far and wide, dog vaccination programs didn't reach enough animals to generate prolonged protection and prevent outbreaks in wolves.

The discovery, based on DNA evidence and reported in the Cell Press journal Current Biology on July 30, increases the overall biodiversity of the Canidae — the group including dogs, wolves, foxes, and jackals — from 35 living species to 36.

Dueling genetic studies based on the DNA of modern dogs and wolves suggest the fellowship between humans and dogs could have been forged in the Middle East, Central Asia, East Asia or, as Goyet's archaeological evidence suggests, in Europe.

One set of analyses published in the late 1990s suggested dogs and wolves diverged some 135,000 years ago in the Middle East.

To be able to compare the behaviour of dogs and wolves and to investigate the effects of domestication, it is important that the animals live in the same conditions,» Virányi explains.

Germonpré's assertion that the Goyet dog is in fact a dog comes from comparing its skull and jaws with those of wolves and modern dogs.

«It provides [evidence for] exactly what we did, in terms of the split between East and West,» he says, and the two papers place the dog — wolf divergence at around the same time as well.

Fossil dogs and wolves from Palaeolithic sites in Belgium, the Ukraine and Russia: osteometry, ancient DNA and stable isotopes.

Since 2008 Zsófia Virányi, an ethologist at the Wolf Science Center in Austria, and her colleagues have been raising the two species to figure out what makes a dog a dog — and a wolf a wWolf Science Center in Austria, and her colleagues have been raising the two species to figure out what makes a dog a dog — and a wolf a wwolf a wolfwolf.

Dogs, cats, foxes, wolves and martens can be infected in addition to dDogs, cats, foxes, wolves and martens can be infected in addition to dogsdogs.

Such diversity led Darwin to think that domestic dogs must have evolved from several wild canines, such as jackals, coyotes and wolves, but in fact we now know that all breeds descended from one species, the grey wolf.

ON THE HUNT In a new book, anthropologist Pat Shipman argues that ancient humans hastened the demise of Neandertals when they domesticated wolves and used dogs in big game huntIn a new book, anthropologist Pat Shipman argues that ancient humans hastened the demise of Neandertals when they domesticated wolves and used dogs in big game huntin big game hunts.

Considering how long it took for dogs to be domesticated — the oldest doglike skeletal remains were found in central Russia and date to 15,000 years ago, perhaps a million years after the first wolves appeared — the foxes settled down quickly.

ANCIENT RIFT DNA from a wolf (fossil jaw shown) that lived in Siberia some 35,000 years ago indicates dogs and wolves split earlier than thought.

In addition to collecting DNA from hundreds of modern wolves as well as mutts and purebred dogs, the dual - origin researchers extracted DNA from dozens of ancient dogs, including a particularly high - value sample from a 4,800 - year - old animal unearthed in Newgrange, IrelanIn addition to collecting DNA from hundreds of modern wolves as well as mutts and purebred dogs, the dual - origin researchers extracted DNA from dozens of ancient dogs, including a particularly high - value sample from a 4,800 - year - old animal unearthed in Newgrange, Irelanin Newgrange, Ireland.

«This study is a fabulous first go at experimentally comparing the ability of wolves and dogs to cooperate with their groupmates,» says Brian Hare, a dog cognition expert at Duke University in Durham, North Carolina, who was not involved with the work.

While low - ranked wolves often defended their food against the high - ranked partner and showed aggressive behaviour as often as higher - ranked wolves, this was different in dogs.

There, she tested pairs of dogs or wolves in an exercise that has also been used to study cooperative behavior in chimps and bonobos.

The short snout and wide braincase of a canid skull (top) found in Belgium's Goyet Cave, in comparison with two ancient wolves found in nearby caves (middle, bottom), led scientists to claim the Goyet bones are from a 36,000 - year - old dog.

She teamed up with researchers at the Wolf Science Centre in Ernstbrunn, Austria, where dogs and wolves are raised under similar semiwild conditions, albeit with medical care and some daily training.

«Dogs were bred to get along with us and to pay close attention to us, but not necessarily to cooperate the way wolves do,» says Frans de Waal, a primatologist at Emory University in Atlanta who was not involved with the study.

DNA in this ancient Irish dog's temporal bone is distinct from modern dogs and wolves.

In the ancient accounts, young warriors assumed names containing words for dogs or wolves, wore dog or wolf skins and, in some cases, ate dogs during initiation ceremonieIn the ancient accounts, young warriors assumed names containing words for dogs or wolves, wore dog or wolf skins and, in some cases, ate dogs during initiation ceremoniein some cases, ate dogs during initiation ceremonies.

Remains of at least two Late Bronze Age initiation ceremonies, in which teenage boys became warriors by eating dogs and wolves, have turned up in southwestern Russia, two archaeologists say.

The animals were hand - raised in the Wolf Science Center in Ernstbrunn, Lower Austria, and kept in separated packs of wolves and dogs.

The center houses about 15 mongrel dogs and seven small packs of timber wolves, with two to three wolves in each pack.

Select boys of the Srubnaya, or Timber Grave, culture joined youth war bands in winter rites, where they symbolically became dogs and wolves by consuming canine flesh, contend David Anthony and Dorcas Brown, both of Hartwick College in Oneonta, N.Y..

Another confounding factor in earlier studies: Researchers sampled DNA from modern purebred dogs, which are the result of generations of artificial selection and hybridization by breeders, skewing the genetic timeline of when wolves and dogs parted ways.

Friederike Range and Zsófia Virányi from the Messerli Research Institute investigated in their study if dogs are in fact less aggressive and more tolerant towards their conspecifics than wolves.

«This was shown by the fact that also low - ranked wolves can challenge their higher - ranked partners and the dominant animals tolerate it, while in dogs aggression was a privilege of the higher - ranked partners.»

The researchers found similarities in the genetic sequences that suggest that «ancient American and Eurasian domestic dogs share a common origin from Old World gray wolves.»

Jennifer A. Leonard of the Smithsonian Institution and her colleagues investigated the origins of dogs in the New World to try to determine whether they arose independently from wolves in the area or if they were tied to their Old World counterparts.

But when her team made dog owners gaze into their pets» eyes, oxytocin levels rose both in the humans and the dogs, an effect that was not seen with hand - reared wolves.

In 1959, biologists Dmitri Belyaev and Lyudmila Trut set out to do just that, by starting with a few dozen silver foxes from fox farms during the Soviet era and attempting to recreate the evolution of wolves into dogs in real time in order to witness the process of domesticatioIn 1959, biologists Dmitri Belyaev and Lyudmila Trut set out to do just that, by starting with a few dozen silver foxes from fox farms during the Soviet era and attempting to recreate the evolution of wolves into dogs in real time in order to witness the process of domesticatioin real time in order to witness the process of domesticatioin order to witness the process of domestication.

As the team reports July 1 in the Proceedings of the Royal Society B, supposed yeti and bigfoot samples turned out to come from bears (brown, black and polar), horses, raccoons, one human, some canines (the test didn't narrow down if they were wolves or dogs), cows, sheep, a North American porcupine, a Malaysian tapir and a serow, which is a known animal similar to a goat or antelope.

The results have been published in the scientific journal Hormones and Behavior and contribute to our knowledge of how dogs have changed during their development from wolf to household pet.