Mammals
Pangolin Paradise in Vietnam
When Chinese people eat scales of pangolins, they are destroying several species of a unique and precious mammal in the forest food web. Vietnam has begun the slow process of re-education and also getting the animals back into a depleted number of habitats.
How mammals got so big
1031 large orders of the Mammalia, excluding whales and bats, have been followed during the Coenozoic since dinosaurs disappeared and some small mammals appeared.
An otter's tale
The meat-eaters are an order of mammals with seven families. Among those, the otters are one of the five groups of the mustelid family.
'Orca-saurs' used to rule the Atlantic as orcas do now
Two dolphin-like Jurassic crocodiles ruled the sea like orcas do now. Whale-like reptiles have been recognised by several generations of fossil hunters as parallel to modern mammals.
Archaea live long and slowly
T-Rex came and went, then mammals ruled, all the while the single-celled archaeon persisted with its slow growth lifestyle. Distantly related to bacteria, archaea have the slowest growth rate known to date.
Placentals ruled before the Cretaceous
Theropod dinosaurs ruled the earth then died out in the Cretaceous, leaving the little mammals to diversify. Many genomes are now examinable for signs of diversification in these species' past.
Diversity helps mammals adapt to climate change
Mammals with greater diversity adapt better to climate change, an American study suggests. The research looked at how mammals adapted to changes in climate across North America over a 56 million year period known as 'deep time'.
Life not so sweet for meat-eating mammals
Some carnivores often lose their taste for sweet foods and mammals that swallow their food whole have little ability to taste, scientists have found.
Eggs from Stem Cells excite the imagination
Some mammals can produce eggs into their adult life, providing hope that stem cells could become a staple of medical ideas. New research explores human female ovary capabilities.
Global warming and mammal body size
Horse for Courses! Scientific models to project climate change are continuously being developed. New evidence on how mammals body size corresponds to global warming has just been published.
Mammal Evolution: Mouse to elephant-size in 24 million generations
It takes 24 million generations for a mammal the size of a mouse to become as large as an elephant, but just 100,000 generations to reverse the process and reach extreme dwarfism, say scientists studying mammal evolution.
Invasive Burmese Pythons vs. The Everglades
The Burmese python is an invasive species with established populations in the Everglades National Park in Florida. The pythons are having a devastating effect on native mammal populations.
Andean species threatened
Mammals, birds, amphibians and many other groups are exposed to development or climate change threats in isolated parts of the Andes in Amazonian Peru and Bolivia.
87 marine mammal species eaten in 114 countries since 1990
Dolphins, smaller whales, seals and other marine mammals are among the 87 species eaten in a staggering 114 countries throughout the world, a new study has revealed.
Thankfully, elephants are scared of bees
Human-Animal conflict research carried out by Dr. Lucy E. King was based on the premise that elephants, like most if us, are scared of being stung by bees. This led to an innovative beehive fence to reduce conflict between the huge mammal and the local people in Kenya.
A quarter of mammals at risk of extinction
A new edition of the Red List of Threatened Species includes the world's most vulnerable creatures who are in danger of being wiped out.
A whale of a time
The whale itself is an incredible find, a new species, to be named after its origins as Aegyptocetus tarfa. Both Philip Gingerich of University of Michigan and Giovanni Bianucci of Universita di Pisa believe that 40 million years ago, this amazing link was hauling itself in and out of the sea at a time when these mammals were still semi-aquatic.
Early South American Mammal
Guillermo Rougier of the University of Louisville, Kentucky report two very significant Dryolestoid fossil skulls from the Cretaceous. Rougier, Apesteguia, and Gaetano publish the paper in Nature as an Argentinian/US collaboration.
Mammals' heart disease risk may be a quirk of evolution
Mammals have developed a uniquely efficient blood clotting mechanism, which probably offered a survival advantage. But that same advantage comes at a price: a higher risk of heart disease. The culprits are important components of mammalian blood known as platelets, which helped protect early mammals from injury.
Elephants can take the heat
New research shows how elephants have adapted to extreme heat in a manner similar to desert mammals such as camels. Elephants have evolved a novel strategy for regulating body temperature, which allows them to endure soaring temperatures during the day without succumbing to heat stress.
International deal on whale sanctuaries
Whales range across the oceans paying no heed to international boundaries, so a new deal between American and French Caribbean sancturies is good news for migrating humpback whales. Humpbacks travel more than 3,000 miles between the two safe havens, which will now better coordinate their conservation work and study the threats the majestic mammals face.
Camera traps puts animal conservation in the picture
A camera trap study spanning three continents and seven countries has taken some 52,000 images, allowing a rare glimpse into the lives of some of the world's most endangered mammals. The study has made it clear that habitat loss and fragmented forests are detrimental to the survival of many species.
Good news for wildlife in Afghanistan
Despite a decade of conflict in Afghanistan, the country's wildlife is holding on. A new survey carried out by Wildlife Conservation Society (WCS) scientists has shown that large mammals are surviving in some areas of Afghanistan after ten years of conflict.
Are rats and bees the solution to Africa's bushmeat problem?
With the bushmeat trade growing annually, experts recognise that innovative solutions are required to halt this illegal activity. Commercial trading in bushmeat - the meat and other parts of wild mammals, birds and reptiles - is a highly lucrative industry, particularly prevalent in central Africa. Bushmeat trading is on the rise within many central African countries
Toxin found in endangered seal could threaten numbers
A dangerous toxin has been found in an endangered Hawaiian seal, further threatening its survival. Scientists from the American National Oceanic and Atmospheric Administration (NOAA) discovered ciguatoxin in the Hawaiian monk seal and are concerned other marine mammals may have come into contact with the poison which is produced by marine algae.
Climate Change Affects Animal Distribution
A research group from Brown University have discovered that rainfall distribution affected the chosen habitat of mammals over 200 million years ago. A team of scientists at Brown University have established that early mammals confined themselves to one area of the continent while early reptiles known as procolophonids lived in another section.
Survey of deep-diving beaked whales helps assess sonar risk
Acoustic surveying is bringing the amazing deep-sea hunts of beaked whales to light, in research published today in PloS One, the open-access science journal. Not only does the study provide a better understanding of an enigmatic group of marine mammals - the information could help avoid the tragedy of sonar-associated whale strandings.
Fussy killers - Weddell seals on the menu for Orca
A predilection for larger, fatter Weddell seals has been noted by NOAA scientists studying killer whales, in the icy waters off the Antarctic Peninsula. The study in Marine Mammal Science shows they use astounding tactics of cooperation to ensure Weddell stays on the menu - creating waves to wash their prey off of floes, and then sharing the hapless seal once drowned.
Animals help increase diversity of plant life in forested areas of France
Although large animals in French forests are responsible for a certain amount of damage, they also are effective in contributing to plant diversity. They discovered that one plant, the gypsy flower, was not found at the time of the original survey and only began to appear in 1981. It is now widespread, particularly in areas most frequented by large forest mammals.
Zoos being urged to breed endangered species
Zoos around the world are being asked to team up to shelter and breed endangered animals as a form of biodiversity insurance. The research found that between 20 and 25 percent of endangered species of mammals are already kept at the zoos and just a slightly lower figure for birds. However, the concern is that the species that are facing an acute risk of extinction are not so well represented.
A Sad Shark's Tale: The Great White
Great white shark population is worryingly low, say scientists. Great white sharks have an unwarranted reputation. In the media, sharks are cast as villains - man-eaters and killing machines. This couldn't be further from the truth. Great white sharks rarely attack humans and they play a vital role in the marine ecosystem. As top predators, sharks help to control many fish and marine mammal populations
How an injured heart heals itself
Research shows how newborn mammals have the ability to repair damage to their hearts - an ability that has been lost by adulthood. It might seem like something from science fiction, but researchers at The University of Texas South-Western Medical Centre have discovered that if the heart of a newborn mammal gets damaged it can completely heal itself.
Cocaine production spells doom for Colombia's rainforests
Colombian rainforests under threat due to an increase in production of coca to meet world demand for cocaine. More than 1,821 species of birds, 623 species of amphibians, 467 species of mammals, 518 species of reptiles and 3,200 species of fish are found, mainly in the country's vast tracts of tropical forest.
All is not lost for the polar bear, scientists say
Over the past few years, the polar bear has become something of a 'poster animal' for the environmental movement. Rightly or wrongly, campaigners have used the iconic mammal's plight as a wake-up call, warning government, businesses and individual consumers that, if they don't clean up their act, these bears, and many more species besides, will be lost forever.
Dolphins in rehab get hearing tests
Most years about 4000 marine mammals beach on US coasts and the causes are often hard to determine. New research in Florida tested the hearing of beached or net-entangled animals that survived, and found that almost 60% of stranding bottlenose dolphins were severely or profoundly deaf.
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