Carnivores Current Events

Carnivores Current Events, Carnivores News Articles.
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Study explores which carnivores are most likely to kill other carnivores
Ecologists used to think of prey as the most important factor governing the structure of predator communities. However, over the past twenty years, they have increasingly recognized the importance of interspecific killing - carnivores killing carnivores - in determining ecology and behavior. A new study by Emiliano Donadio and Steven W. Buskirk (University of Wyoming), forthcoming from The American Naturalist, explores which carnivores are most likely to participate in these interactions, and why. (2006-03-08)

Surprise: Non-dietary factors played important role in shaping skulls of carnivores
Factors other than feeding habits -- including age at sexual maturity and average rainfall in their home habitat -- have greatly influenced skull shape in carnivores, according to a new study. This finding contrasts with the idea that dominant shapes among the skulls of carnivores are mostly attributed to shared diets. (2018-02-07)

Montana State researchers release guide to noninvasive carnivore research
Two Montana state University researchers are principal editors of (2008-06-27)

New Nature Communications study says 'fear itself' can help restore ecosystems
Lions, wolves and other large carnivores are frightening beasts that strike fear into humans and other animals. A new study led by Western University demonstrates that the fear these top predators inspire can have cascading effects down the food chain critical to maintaining healthy ecosystems, making large carnivore conservation all the more valuable given the significant 'ecosystem service' the fear of them provides. (2016-02-23)

The benefits that carnivorous animals bring to society are under-studied
For a period of 17 years, the scientific studies conducted around the world on the relationships between humans and carnivores focused excessively on the conflicts between them, overlooking the benefits that carnivores bring to society. This is just one of the conclusions of an international study in which the University of Granada is participating, which also identifies other research deficiencies related to location, type of species, or methodology applied, for instance. (2019-10-24)

Human 'super predator' more terrifying than bears, wolves and dogs
Bears, wolves and other large carnivores are frightening beasts but the fear they inspire in their prey pales in comparison to that caused by the human 'super predator.' A new study by Western University demonstrates that smaller carnivores, like European badgers, that may be prey to large carnivores, actually perceive humans as far more frightening. (2016-07-25)

Carnivorous mammals track fruit abundance
The scientific community already knew that many carnivores eat fruit, but had thought this was something purely anecdotal. Now researchers from the University of Santiago de Compostela have shown that carnivorous animals such as foxes and martens play an important role in helping fruiting plants to reproduce and disperse their seeds. (2010-06-14)

Conserving large carnivores in Alaska requires overhauling state policy
Large carnivore management in Alaska should be based on rigorous science and monitoring of the status and trends of carnivore populations, according to a Perspective article published Jan. 15 in the open-access journal PLOS Biology by William Ripple of Oregon State University, and colleagues. (2019-01-15)

No place like home: Africa's big cats show postcode preference
The secret lives of some of Africa's iconic carnivores, including big cats, are revealed in a new study in the journal Animal Conservation. (2009-10-09)

Why are lions not as big as elephants?
A simple theoretical model provides a framework to understand carnivore energy budgets and reveals insights into the evolution of body size in mammalian carnivores. (2007-01-15)

Surviving large carnivores have far-reaching impact
Anywhere large-bodied mammalian carnivore species are present, other, smaller carnivores are less likely to occur, according to an international team of researchers that conducted the first global assessment of carnivore interactions using camera trap data. (2018-08-08)

Hominins may have been food for carnivores 500,000 years ago
Tooth-marks on a 500,000-year-old hominin femur bone found in a Moroccan cave indicate that it was consumed by large carnivores, likely hyenas, according to a study published April 27, 2016 in the open-access journal PLOS ONE. (2016-04-27)

Smart and social?
New research from two evolutionary biologists questions the recent finding that sociality has played a key role in the evolution of larger brain size among several orders of mammals (Social Brain Hypothesis). Their sweeping analysis of many living and fossil carnivore species that places relative places brain size increase in an evolutionary context and finds that increased brain size is not routinely associated with sociality. (2009-05-25)

Camera trap study reveals the hidden lives of island carnivores
Researchers placed 160 cameras on 19 of the 22 Apostle Islands in northern Wisconsin to see which carnivores were living there. After taking more than 200,000 photos over a period of three years, the team discovered that several carnivores are living on various islands in this remote archipelago in Lake Superior. (2018-12-21)

For giant pandas, bamboo is vegetarian 'meat'
New research using an approach called nutritional geometry sheds light on giant panda evolution, and their unusual transition from carnivorous ancestry to extreme specialized herbivory. (2019-05-02)

Subsidized killing of carnivores fails to protect US sheep industry
Decades of US government-subsidized predator control has failed to prevent a long-term decline in the sheep industry, according to a study by the Wildlife Conservation Society (WCS), which says that market forces - not predators - are responsible for the drop-off in sheep numbers. (2006-03-15)

Study shows large carnivore numbers and range declining worldwide
New research co-written by University of Montana scientists finds steep declines in the worldwide populations and habitat range of 31 large carnivore species. The analysis, published Jan. 9 in Science, shows that 77 percent of the studied species -- including tiger, lion, dingo and puma -- are decreasing in number. (2014-01-09)

Why bats, rats and cats store different amounts of fat
Why different animals carry different amounts of fat depends on how they have solved the problem of avoiding both starving to death and being killed by predators, new research from the University of Bristol suggests. (2012-01-20)

Avoiding poisons: A matter of bitter taste
Authors Zhang, et. al., tested the hypothesis that herbivores -- and their plant diets -- have evolved to have greater number of Tas2r bitter taste receptor genes in their genomes than omnivores or carnivores. Their analyses supported the hypothesis, showing vertebrates can also be classified as herbivores, carnivores, or omnivores based on their Tas2r genetic profile. (2013-11-18)

Divergences between scientific and Indigenous and Local Knowledge can be helpful
Divergences between scientific and Indigenous and Local Knowledge can provide a better understanding of why local pastoralists may be willing, or not, to participate in conservation initiatives for carnivores, a study from University of Helsinki suggests. (2021-01-15)

'Fatal attraction': Small carnivores drawn to kill sites, then ambushed by larger kin
University of Washington researchers have discovered that large predators play a key yet unexpected role in keeping smaller predators and deer in check. Their 'fatal attraction' theory finds that smaller predators are drawn to the kill sites of large predators by the promise of leftover scraps, but the scavengers may be killed themselves if their larger kin return for seconds. (2020-03-18)

Global priority regions for carnivore conservation
In a study published by the peer reviewed open access journal, PLoS ONE, on Aug. 27, a team of Brazilian researchers define global conservation priorities that encompass socioeconomic and life-history factors for endangered carnivores. (2009-08-26)

How cheetahs outsmart lions and hyenas
Cheetahs in the Serengeti National Park adopt different strategies while eating to deal with threats from top predators such as lions or hyenas. A new study in Springer's journal Behavioral Ecology and Sociobiology shows that male cheetahs and single females eat their prey as quickly as possible. Mothers with cubs, on the other hand, watch out for possible threats while their young are eating in order to give them enough time to eat their fill. (2018-04-10)

The larynx has evolved more rapidly in primates
The larynx is larger, more variable in size, and has undergone faster rates of evolution in primates than in carnivores, according to a study published August 11, 2020 in the open-access journal PLOS Biology by Daniel Bowling of Stanford University, W. Tecumseh Fitch of the University of Vienna, and colleagues. (2020-08-13)

Half of the large carnivore attacks are due to the imprudence of human behavior
Close to 50 percent of large carnivore attacks on humans have involved risk-taking human behaviors. This is one of the main conclusions reached by the study headed by the Centre of Scientific Research researchers which have analyzed the circumstances of 700 documented attacks of six carnivore species (brown bear, black bear, polar bear, puma, wolf and coyote) since 1955 in the United States, Canada, Sweden, Finland, Russia and Spain. (2016-02-04)

A well-preserved skeleton reveals the ecology and evolution of early carnivorous mammals
Prior to the rise of modern-day mammalian carnivores, North America was dominated by a now-extinct group of mammalian carnivores -- the hyaenodontids. While fossils of hyaenodontids are relatively common from the early Eocene Epoch -- between 50 million and 55 million years ago -- most of these are specimens of teeth. A new find of a nearly complete skeleton has allowed for a more detailed study of the ecology and evolutionary relationships of these early carnivores. (2015-12-14)

Carnivores, livestock and people manage to share same space study finds
In the southern Rift Valley of Kenya, the Maasai people, their livestock and a range of carnivores, including striped hyenas, spotted hyenas, lions and bat-eared foxes, are coexisting fairly happily according to a team of coupled human and natural systems researchers. (2013-03-13)

Carnivores living near people feast on human food, threatening ecosystems
MADISON - Ecologists at the University of Wisconsin-Madison have found that carnivores living near people can get more than half of their diets from human food sources, a major lifestyle disruption that could put North America's carnivore-dominated ecosystems at risk. (2020-10-12)

Human-caused biodiversity decline started millions of years ago
The human-caused biodiversity decline started much earlier than researchers used to believe. According to a new study published in the scientific journal Ecology Letters the process was not started by our own species but by some of our ancestors. (2020-01-17)

New study questions effects of reintroducing top predators
There's little evidence that reintroducing top predators to ecosystems will return them to the conditions that existed before they were wiped out, according to new research. (2019-04-03)

Helping carnivores and people co-exist
When wolves and other large carnivores threaten people and livestock, wildlife managers often resort to killing them. But now there's hope for a non-lethal solution to controlling carnivores. New research shows that movement-activated guards with strobe lights and sound recordings can help keep wolves and bears away. (2003-11-24)

Large carnivores and zoos -- essential for biodiversity conservation marketing
Large carnivores: bears, big cats, wolves and elephant seals, and zoos should be utilised as powerful catalysts for public engagement with nature and pro-environmental behaviour, suggests a paper published in the scholarly open-access journal Nature Conservation. The international multidisciplinary research team highlights the wide-reaching influence of the institutions visited by over 700 million people a year worldwide and combining knowledge with emotions and social values, which may be enhanced by the charisma of large carnivores. (2019-12-17)

Competition from cats drove the extinction of many species of ancient dogs
Competition played a more important role in the evolution of the dog family (wolves, foxes, and their relatives) than climate change, shows a new international study published in PNAS. (2015-08-12)

Tigers and polar bears are highly vulnerable to environmental change
Large predators are much more vulnerable than smaller species to environmental changes, such as over-hunting and habitat change, because they have to work so hard to find their next meal, according to a new study. (2010-11-23)

American carnivores evolved to avoid each other, new study suggests
A large-scale analysis suggests that strategies that help America's carnivores stay away from each other have been a driving force in the evolution of many of these species, influencing such factors as whether they are active daytime or nighttime, whether they inhabit forests or grasslands, or live in trees or on the ground. (2009-03-09)

'Outdated' management plan increases risks to Alaska's large carnivores
Alaskan wildlife management that prioritizes reducing bear and wolf populations so hunters can kill more moose, caribou and deer is both backward and lacks scientific monitoring. (2019-01-15)

Paper predicts a future without carnivores would be truly scary
A fascinating paper released today from a team of leading scientists, including Dr. Joel Berger of the Wildlife Conservation Society and University of Montana, reports on the current status of large carnivores and the ecological roles they play in regulating ecosystems worldwide, and finds that a world without these species is certainly scarier than a world with them. (2014-01-09)

Inadequate policies for hunting large carnivores
Many policies regulating carnivore hunting do not adequately acknowledge and address the negative effects of hunting on demography and population dynamics, authors of this Policy Forum say. (2015-12-17)

Researchers find new giant amphibian fossils in Africa
Two new 250 million year-old species of large, meat-eating amphibians have been discovered by researchers, including investigators from McGill University. (2005-04-14)

Scientists think 'killer petunias' should join the ranks of carnivorous plants
Scientists from the Royal Botanic Gardens, Kew, and the Natural History Museum believe that carnivorous behavior in plants is far more widespread than previously thought, with many commonly grown plants -- such as petunias -- at least part way to being (2009-12-04)

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