Sentences with phrase «tame foxes»

This study suggests that pseudopodia function differently in the pituitary glands of tame foxes than in aggressive ones.

Levels of the stress hormone cortisol are much lower in the blood of tame foxes than in the aggressive animals.

The process of creating these tame foxes mirrors the way dogs are thought to have been domesticated from their wild wolf ancestors.

In a report published in G3: Genes Genomes Genetics, Hekman et al. delve into the genetics of these tame foxes, taking a detailed look at their brains.

First observed by Darwin but best chronicled in a 20th - century Soviet attempt to breed tame foxes, domestication syndrome covers a range of unintended physical traits that emerge as a wild species is selectively bred for more docile behavior.

Other genes involved in transmitting glutamate signals, which help regulate mood, had increased activity in tame foxes, Pipes said.

Tame foxes are known to have more serotonin in their brains.

In Kukekova's early visits, about 70 percent of the tame foxes were considered «elite,» aquiver with excitement when people came around.

Pictured here is a tamed fox (Vulpes vulpes).

Tamer foxes, also like dogs, had more social smarts.

COLD SPRING HARBOR, N.Y. — Taming foxes changes not only the animals» behavior but also their brain chemistry, a new study shows.

Now, almost every tame fox is in the super-friendly elite group.

How to Tame a Fox (and Build a Dog): Visionary Scientists and a Siberian Tale of Jump - Started Evolution by Lee Alan Dugatkin and Lyudmila Trut.

DOMESTICATION IN ACTION How to Tame a Fox tells the story of a long - running experiment to domesticate silver foxes (a wild silver fox is shown).

Evolutionary biologist Lee Alan Dugatkin helps Trut recount this ongoing attempt to replay domestication in How to Tame a Fox.

A possible confounding factor, he says, is that the motivation to find food varies between dog breeds and could therefore also vary between the tamed and untamed foxes: Rather than more clever, the tamed foxes might just be hungrier.

The tamed foxes were significantly better than their untamed relatives at interpreting a human's pointing and were even as good as domestic dogs of the same age, the team reports in today's issue of Current Biology.

The Little Prince tames the Fox.

In the last year I spoke to Dr. Lee Dugatkin about How to Tame a Fox (and Build a Dog), and to Dr. Christy Hoffman about her research in Anthrozoology.

Not exact matches

Clinical Psychologist (USA) Dr Brooke Magnanti Feona Attwood, Professor of Media & Communication at Middlesex University Martin Barker, Emeritus Professor at University of Aberystwyth Jessica Ringrose, Professor, Sociology of Gender and Education, UCL Institute of Education Ronete Cohen MA, Psychologist Dr Meg John Barker, Senior Lecturer in Psychology, The Open University Kath Albury, Associate Professor, UNSW Australia Myles Jackman, specialist in obscenity law Dr Helen Hester, Middlesex University Justin Hancock, youth worker and sex educator Ian Dunt, Editor in Chief, Politics.co.uk Ally Fogg, Journalist Dr Emily Cooper, Northumbria University Gareth May, Journalist Dr Kate Egan, Lecturer in Film Studies, Aberystwyth University Dr Ann Luce, Senior Lecturer in Journalism and Communication, Bournemouth University John Mercer, Reader in Gender and Sexuality, Birmingham City University Dr. William Proctor, Lecturer in Media, Culture and Communication, Bournemouth University Dr Jude Roberts, Teaching Fellow, University of Surrey Dr Debra Ferreday, Senior Lecturer in Sociology, Lancaster University Jane Fae, author of «Taming the beast» a review of law / regulation governing online pornography Michael Marshall, Vice President, Merseyside Skeptics Society Martin Robbins, Journalist Assoc. Prof. Paul J. Maginn (University of Western Australia) Dr Lucy Neville, Lecturer in Criminology, Middlesex University Alix Fox, Journalist and Sex Educator Dr Mark McCormack, Senior Lecturer in Sociology, Durham University Chris Ashford, Professor of Law and Society, Northumbria University Diane Duke, CEO Free Speech Coalition (USA) Dr Steve Jones, Senior Lecturer in Media, Northumbria University Dr Johnny Walker, Lecturer in Media, Northumbria University

Researchers found that when they took wild foxes and let only the tamest breed, the foxes began to develop doglike features such as curly tails, smaller heads, and floppy ears.

«Our analysis revealed that the differences between tame and aggressive foxes may lie in cells in the anterior pituitary gland, which can change their shapes to communicate with one another about when it's time to release stress hormones,» Hekman said.

«Previous studies have found that ACTH levels in the anterior pituitary do not differ between tame and aggressive fox strains,» Kukekova said.

A study of foxes offers new insights into the brain changes that occur in wild canids as they become more tame, researchers report.

Her own work has shown that a variety of animals — from foxes to badgers — were hanging around early human campsites, and that some may even have become tame.

A geneticist at the University of Illinois at Urbana - Champaign, she travels to Siberia each year to collect blood from hundreds of silver foxes to look for genetic changes that produce tame and aggressive behaviors.

Researchers have set out several biological criteria that should determine when silver foxes, or other animals, cross the line that divides merely tame from fully domesticated.

The team collected two brain parts, the prefrontal cortex and amygdala, from a dozen aggressive foxes and a dozen tame ones.

Changes in RNA - seq profiles of silver foxes (Vulpes vulpes) after 50 generations of selection on tame / aggressive behaviors.

Even though the friendly Novosibirsk foxes are genetically tame — some are sold as pets — not everyone would call the animals domesticated.

Hare's team compared the abilities of tamed and untamed foxes to find hidden food when a human pointed to it.

A tame red fox from the breeding program at the Institute of Cytology and Genetics of the Russian Academy of Sciences in Novosibirsk, Russia.

Hekman explains that this makes a lot of sense because tame and aggressive foxes actually produce similar amounts of hormones in the pituitary gland — the critical difference is in the amount that is released into the bloodstream.

Hekman and her colleagues used RNA sequencing to measure gene expression in the pituitary glands of tame and aggressive foxes.

To you I am nothing more than a fox like a thousand other foxes, but if you tame me then we shall need each other and be unique in all the world!

I still struggle with the «lesson» the fox teaches the pint - sized main character, that if you «tame» something, you make it special.

Tags: adapt, adapting, adaption, animals, bodies, cartilage, changes, darwin, dog, dog ears, dogs, domestication, domestication syndrome, ears, erect ears, evolution, floppy ears, foxes, neural crest cells, pets, science, tame, theory, why do dogs have floppy ears Comments: 2

Based on the research on foxes, the natural selective pressure on village wolves to be tamer might have simultaneously created a population of wolves with all kinds of odd characteristics.

Over a few generations of breeding, the foxes became tamer.

In the 1950s, Russian scientist Dmitri Belyaev began selectively breeding captive silver foxes on a fur farm with the idea of making them tamer and easier to handle.

Among the earliest characteristics noted among the increasingly tame, floppier - eared foxes were changes in coat color: they had black and white patches.

«And of course this pleading is quite tame compared to many I have seen, such as the complaint against Fox commentator Bill O'Reilly, which are salacious not just crude.

She also cited the 1917 Ontario Court of Appeal judgment in Campbell v. Hedley, the only case dealing with an escaped animal (a fox in that case), which teaches the legal distinctions between tame and wild animals.