Google Earth aids discovery of early African mammal fossils
ANN ARBOR, Mich.---A limestone countertop, a practiced eye and Google Earth all played roles in the discovery of a trove of fossils that may shed light on the origins of African wildlife.
The circuitous and serendipitous story, featuring University of Michigan paleontologists Philip Gingerich, ...
The Marine Mammal Center begins new leptospirosis study in California
(SAUSALITO, Calif. October 22, 2008) The Marine Mammal
Center is seeing a large number of leptospirosis cases in California sea lions this year and is leading a study to determine when and why the sea lions contract this disease. Every four to five years, the Center sees a surge in the number o...
7 Texas mammals listed as threatened on Global Mammal Assessment
When the Global Mammal
Assessment project results are announced this week at the World Conservation Congress in Barcelona, Spain, there will be at least seven Texas species on the globally threatened list.
The species of mammals from Texas that are classified as under some level of threat based...
Field Museum provides gold standard for mammal survey
CHICAGO, Oct. 6, 2008 Putting together the Who's Who of bats, bears, beaked whales and all of Earth's other known mammals was a gigantic task ably assisted by a Field Museum scientific team with access to one of the planet's most extensive and diverse mammal
A team headed by the I...
For good or ill Ireland gains another mammal species
Dave Tosh, from the School of Biological Sciences at Queens University, found the greater white-toothed shrew in Tipperary and Limerick while working with University College Cork and BirdWatch Ireland. Its natural range is in parts of Africa, France and Germany and before now the closest it has be...
Wildlife Conservation Society supports world's first study of egg-laying mammal
A Wildlife Conservation Society research intern working in the wilds of Papua New Guinea has successfully completed what many other field biologists considered "mission impossible"the first study of a rare egg-laying mammal
called the long-beaked echidna.
The WCS-supported studywhich consisted...
Single adult stem cell can self renew, repair tissue damage in live mammal
The first demonstration that a single adult stem cell can self-renew in a mammal
was reported at the American Society for Cell Biology (ASCB) 48th Annual Meeting, Dec. 13-17, 2008 in San Francisco.
The transplanted adult stem cell and its differentiated descendants restored lost function to mi...
Paleontologists discover new mammal from Mesozoic Era
An international team of American and Chinese paleontologists has discovered a new species of mammal
that lived 125 million years ago during the Mesozoic Era, in what is now the Hebei Province in China.
The new mammal, documented in the March 15 issue of the journal Nature, provides first-hand ev...
West Australian fossil find rewrites land mammal evolution
A fossil fish discovered in the West Australian Kimberley has been identified as the missing clue in vertebrate evolution, rewriting a century-old theory on how the first land animals evolved.
Monash University PhD students Mr Erich Fitzgerald and Mr Tim Holland were part of the research team, le...
'Killer' B cells demonstrate evolutionary link between fish and mammal immune systems
Researchers from the University of Pennsylvania School of Veterinary Medicine have discovered a unique evolutionary link between the immune systems of fish and mammals in the form of a primitive version of B cells, white blood cells of the immune system. Their studies link the evolution of the ada...
'Banana-jawed' fossil mammal linked to rare sound-producing skill
Paleontologists at the Duke Lemur Center have assembled a new picture of a 35-million-year-old fossil mammal
-- and they even have added a hint of sound.
By painstakingly measuring hundreds of specimens of a fossil mammal
called Thyrohyrax, recovered from the famous fossil beds of Egypt's Fayum P...
Size matters: Preventing large mammal extinction
Saving large mammals such as elephants and rhino from extinction could be made more effective by focusing efforts on individual species as well as their habitats.
Scientists at the Zoological Society of London's Institute of Zoology (IoZ) and Imperial College London have identified fundamental ne...
Climate-caused biodiversity booms and busts in ancient plants and mammals
... changed, with many new plant forms appearing, and mammal
diversity increased from 90 genera to an all-time ...hen, as temperatures declined again, the number of mammal
genera dropped to a low of 84, with the complete l...ratures and a dryer climate continued to influence mammal
and plant evolution as savanna habitats began to e...
August 2009 Geology and GSA Today media highlights
...team of colleagues. They focus on the Klondike region of Yukon, one of North America's most productive localities for the recovery of late Pleistocene mammal
fossils. By using numerous volcanic ash beds that characterize the fossil-rich strata to determine the age and correlations of disparate rock layers, ...
Naming evolution's winners and losers
... few dozen species of them, most of which have become extinct, Alfaro said.
In contrast, there are more than 9,000 bird species, more than 5,400 mammal
species, approximately 5,500 frog species, some 3,000 snake species and 5,200 lizard species, Alfaro said.
The number of frog species, although ...
Bizarre walking bat has ancient heritage
...iew that the agile walking and climbing skills of the lesser short-tailed bat - Mystacina tuberculata evolved in the absence of any ground-dwelling mammal
competitors or predators, says an international team of researchers led by Dr Suzanne Hand, a bat expert at the University of New South Wales, Sydney....
All in sight
...dly be distinguished from the surrounding water. Visual sightings by marine mammal
observers are therefore usually based on observations of the spout, the con...red Wegener Institute. He is in charge of the research project MAPS (Marine mammal
Perimeter Surveillance) which runs since early 2009. The aim is to transmit...
Mice run faster on high-grade oil
... maximum running speed", says Dr Christopher Turbill who will be presenting the research.
A previous study by the group, which looked at a range of mammal
species, found that those with a relatively high n-6 fatty acid content in their skeletal muscles had a greater maximum running speed. Combined, thes...
'Bycatch' whaling a growing threat to coastal whales
...led as fisheries "bycatch" is threatening coastal stocks of minke whales and other protected species.
Scott Baker, associate director of the Marine mammal
Institute at Oregon State University, says DNA analysis of whale-meat products sold in Japanese markets suggests that the number of whales actually ki...
Mammalogists to convene in Alaska for annual meeting
... scientific research on more than 40 species of mammals from little brown bats to big brown bears. Presentations will cover many aspects of the latest mammal
research, including genetics, physiology, morphology, behavior, biogeography and conservation.
"The meeting gives participants a chance to find out...
Fossil bone bed helps reconstruct life along California's ancient coastline
...as a breeding ground for early seals such as Allodesmus. The absence of volcanic ash makes a volcanic catastrophe unlikely, while the presence of land mammal
fossils makes red tide an unlikely cause.
"These animals were dying over the whole area, but no sediment deposition was going on, possibly related ...
Siberian jays use complex communication to mob predators
...at only consist of unrelated individuals. The only other animal species with a comparably rich vocabulary when mobbing predators are meerkats, a small mammal
that lives in large family groups.
Together with earlier published findings, this study demonstrates that Siberian jays can possess an extraordina...
CU-Boulder study shows 53 million-year-old high Arctic mammals wintered in darkness
... from Ellesmere Island -- a hippo-like, semi-aquatic creature known as Coryphodon, a second, smaller ancestor of today's tapirs and a third rhino-like mammal
known as brontothere. Animal teeth are among the most valuable fossils in the high Arctic because they are extremely hard and better able to survive...
UCSF discovers new glucose-regulating protein linked with diabetes
...scle and fat cells fail to respond appropriately to the insulin and the GLUT4 compartment is abnormal. This process was thought to be identical across mammal
The current research identified a protein in both human muscle and fat cells, called CHC22, which appears to control the formation of the ...
Skip this cocktail party
...d to find and catch food."
Just how these chemicals might impact marine mammal
health is something Montie plans to pursue. This summer, Montie, Mann, and ... lower. Montie is also working with Frances Gulland, director of the Marine mammal
Center in Sausalito, CA, to examine how California sea lions's exposure to ...
Climate change driving Michigan mammals north
... ANN ARBOR, Mich.---Some Michigan mammal
species are rapidly expanding their ranges northwa...will be the ultimate impact of Michigan's changing mammal
"We're talking about the commonest... 50,000 records, 14,614 of which were for the nine mammal
species in the study. When those records were anal...
NOAA researchers: Blue whales re-establishing former migration patterns
...t of California to areas off British Columbia and the Gulf of Alaska since the end of commercial whaling in 1965.
In the scientific journal Marine mammal
Science , researchers from Cascadia Research Collective in Washington state, NOAA's Southwest Fisheries Science Center in California, and Canada's Dep...
First jaguar photo taken at Smithsonian Research Station in Panama
...ersity zoologist Jackie Willis and her husband Greg mount cameras with infrared sensors on trees to photograph passing animals as part of their annual mammal
census of the island, which they have been conducting since 1982. What the cameras captured April 20 was not only a surprise, but a firstan adult jagu...
Dolphins maintain round-the-clock visual vigilance
... Dolphins have a clever trick for overcoming sleep deprivation. Sam Ridgway from the US Navy Marine mammal
Program explains that they are able to send half of their brains to sleep while the other half remains conscious. What is more, the mammals seem to be...
Analysis finds strong match between molecular, fossil data in evolutionary studies
... based on the kinds of features used to distinguish fossil lineages for 228 mammal
and 197 mollusk lineages at the genus level (both wolves and dogs belong to...ses among living and fossil animals, from trends in increasing body size in mammal
lineages, to the dramatic ups and downs of diversity reported in the fossil...
Red pandas reveal an unexpected (artificial) sweet tooth
... PHILADELPHIA (April 15, 2009) -- Researchers from the Monell Center report that the red panda is the first non-primate mammal
to display a liking for the artificial sweetener aspartame. This unexpected affinity for an artificial sweetener may reflect structural variation in ...
Female mammals follow their noses to the right mates
... McAuliffe write.
Lab studies of olfactory signaling, they say, may provide the best evidence for female mate choice in mammals. Unlike birds, many mammal
species are sexually active at night. So mammals may be less inclined than birds to base preferences on visual cues. Instead, females of many mammalia...
Seven recommendations from Aarhus to COP15
...om land-use, biological invasions, and pollution. As a result, numerous species are threatened with extinction, for example, 25% of the World's ~5,500 mammal
species. Over the next 100 years CC will constitute an additional pressure, with potentially severe impacts. CC is already affecting ecosystems and bi...
Tracking tigers in 3-D
...ftware used by criminologists.
The study's authors include Lex Hiby of Conservation Research Ltd., Phil Lovell of the Gatty Marine Laboratory's Sea mammal
Research Unit, and Narendra Patil, N. Samba Kumar, Arjun N. Gopalaswamy and K. Ullas Karanth all of the Wildlife Conservation Society's India Program....
Reversing ecology reveals ancient environments
...ing in based on the alignment between the environment a parasite requires and that required by the host. "We can see a signal to distinguish between a mammal
parasite and an insect parasite," Borenstein said. "And how the interaction evolved over time."
Now that they have a data set that reveals the curr...
Study finds life-saving trend among seagulls
...c it. This adds a new complexity to understanding animal behaviour."
Dr. Beauchamp suggests this behaviour can be extrapolated into human and other mammal
populations. "The theory of a collective group awareness can be applied across the animal kingdom. Although humans don't worry about predators, they d...
Researchers isolate protein domain linked to tumor progression
...d unknown consequences.
To determine MMP domain function, the researchers used a simple model organism, the common fruit fly. Unlike mouse and other mammal
models that have 24 or more different and semi-redundant MMPs, the fly model has only two. This substantially simplifies the problem of understanding ...
Threats to biodiversity rise in the world's Mediterranean-climate regions
...zed the relationship between these threats and the number of at-risk plants and animals. For example, they found that numbers of threatened plant and mammal
species increased as the size of the urban footprint and population density grew. These findings indicate the need to accelerate conservation action t...
Darwin's seminal impact on biology, anthropology, philosophy and psychology
...ctivation relationship" which demonstrated that through physical games such as play fighting, a father transmits confidence to his young. Almost every mammal
plays these games and they prepare a child for competition.
Paquette explains that competition between males is important. This is how males acquir...
Mammals that hibernate or burrow less likely to go extinct
...eagues from the Universities of Oslo and Helsinki wanted to see if this trend holds for mammals living today.
Using a database of over 4,500 living mammal
species, Liow and his team identified 443 mammals that exhibit at least one sleep-or-hide behavior. Their list includes tunneling and burrowing animal...