Alpacas found to be the only mammal to directly inseminate the uterus
A pair of biologists from Mount Holyoke College, working with a colleague from North American Camelid Studies Program, the Nunoa Project, has found that the male alpaca thrusts his penis all the way into the uterus of the female during mating, making.....»»
Moo Deng: The celebrated hippo"s real home has disappeared—will the world restore it?
The playful and pudgy mammal that went viral from its Thai zoo enclosure has a sad story to tell about her fellow hippos......»»
Saturday Citations: Reading comprehension; revisiting tardigrade orthodoxy; restoring universal symmetry
This week, physicists suggested that quantum entanglement may be really, really fast rather than instantaneous, and could be measured at an attosecond scale. Paleontologists discovered a fossilized mammal in Colorado that may have lived alongside din.....»»
Invisible anatomy in the fruit fly uterus: New discoveries could have implications for fertility and pest control
You have likely not spent much time thinking about the uterus of the fruit fly, Drosophila melanogaster. But then, neither have most scientists, even though Drosophila is one of the most thoroughly studied lab animals. Now a team of biologists at the.....»»
Study reveals the twists and turns of mammal evolution from a sprawling to upright posture
Mammals, including humans, stand out with their distinctively upright posture, a key trait that fueled their spectacular evolutionary success. Yet, the earliest known ancestors of modern mammals more resembled reptiles, with limbs stuck out to their.....»»
Paleontologists discover Colorado "swamp dweller" mammal that lived alongside dinosaurs
A team of paleontologists working near Rangely, Colorado, has uncovered a new (or, more accurately, very old) state resident—a fossil mammal about the size of a muskrat that may have scurried through swamps during the Age of Dinosaurs......»»
Turtle genome provides new clues on the evolution of vertebrates
Scientists from the UAB and Iowa State University have generated the genome assemblies of two hidden-neck turtles. The results, which revealed a new three-dimensional structure of the genome within the phylogenetic group of reptiles, birds and mammal.....»»
Scientists find southern killer whales of the Pacific have access to enough food, deepening mystery of their struggles
A pair of marine mammal scientists at The University of British Columbia, has found that claims that a lack of access to salmon is what is driving the crash in population numbers for southern resident killer whales of the Pacific are wrong......»»
Q&A: Experts discuss the beaver, a controversial mammal
When an endangered species succeeds in repopulating its former habitat, the immediate reaction is one of joy. In the long term, however, its spread is often associated with conflict. One example is the beaver, a keystone species. Other keystone speci.....»»
Uncovering new regulatory mechanisms in embryo implantation
Implantation is the initial step in pregnancy, where the embryo attaches to and enters the endometrium, the inner tissue layer of the uterus. During this process, the cells of the endometrium change to build the right conditions for the fertilized eg.....»»
Drone footage provides new insight into gray whales" acrobatic feeding behavior
Drone footage captured by researchers in Oregon State University's Marine Mammal Institute is offering new insight into the acrobatics undertaken by gray whales foraging in the waters off the coast of Oregon......»»
Islands in the sky: Could steep-sided hilltops offer safe haven to threatened species?
Species are disappearing at an alarming rate around the world. But Australia's extinction crisis is especially severe—since European colonization, we have lost about 100 species of animals and plants. The loss of 33 mammal species is largely due to.....»»
New species of extinct walrus-like mammal discovered in the North Atlantic
A new discovery by a team of paleontologists, led by Dr. Mathieu Boisville (University of Tsukuba, Japan), has uncovered a new species of the extinct genus Ontocetus from the Lower Pleistocene deposits in the North Atlantic. This species, named Ontoc.....»»
Trail cameras capture encouraging footage of one of the rarest large mammal species in the world — and it comes with a surprise
Trail cameras capture encouraging footage of one of the rarest large mammal species in the world — and it comes with a surprise.....»»
S.Africa to trial vaccination of seals after first rabies outbreak
Cape fur seals with rabies have infected at least seven people in South Africa and vaccinations will be trialed to try to contain what is the first documented outbreak of the disease in a marine mammal population, a coastal management official said W.....»»
Shedding light on Scotland"s first "almost-mammal," Saurodesmus robertsoni
Discovered in the early 1840s, Saurodesmus robertsoni is an enigmatic fossil that has puzzled scientists for over two centuries. A recent study by Dr. Tomasz Szczygielski and his team of international researchers has finally shed light on this elusiv.....»»
Alpacas in Idaho test positive for H5N1 bird flu in another world first
The alpacas were known to be in close contact with infected birds. Enlarge / Suri alpacas on a farm in Pennsylvania. (credit: Getty | Susan L. Angstadt) Four backyard alpacas in southern Idaho have tested positive for hi.....»»
Bird flu detected in alpacas in US for the first time
Cases of bird flu have been detected in alpacas at a US farm, authorities said Tuesday, as the disease spreads widely among dairy cattle and has infected two humans......»»
Alpacas found to be the only mammal to directly inseminate the uterus
A pair of biologists from Mount Holyoke College, working with a colleague from North American Camelid Studies Program, the Nunoa Project, has found that the male alpaca thrusts his penis all the way into the uterus of the female during mating, making.....»»
Cats suffer H5N1 brain infections, blindness, death after drinking raw milk
Mammal-to-mammal transmission raises new concerns about the virus's ability to spread. Enlarge / Farm cats drinking from a trough of milk from cows that were just milked. (credit: Getty | ) On March 16, cows on a Texas d.....»»
Mammals on "sky islands" may be threatened by climate change, human development
A new study sheds light on how climate change and human development threaten mammal species living in isolated biodiversity hotspots known as "sky islands.".....»»