Sentences with phrase «of amphibians from»

To find out, Martel and Pasmans conducted experiments on 35 species of amphibians from around the world.

Out of the seven new species, five are facing considerable anthropogenic threats and require immediate conservation prioritization,» says Prof SD Biju, who led the new study and has also formally described over 80 new species of amphibians from India.

Not exact matches

A human fetus goes through the entire evolutionary process in 9 months, from simple multi-cellular life, through amphibian (some children are born with webbing still between their fingers and toes, like a frog), through mammalia and primates (we even have tails, of which the coccyx is a remainder).

It is a relatively minor matter whether God infused the transcendent capacity into a freshly made creature or an upwardly mobile hominid that had evolved through various transformations, from an amoeba to a tadpole to an assortment of amphibians and mammals until, as in the familiar diagrams and animations, it looks more or less like Carl Sagan.

The fossil record includes the Stromatolites, colonies of prokaryotic bacteria, that range in age going back to about 3 billion years, the Ediacara fossils from South Australia, widely regarded as among the earliest multi-celled organisms, the Cambrian species of the Burgess shale in Canada (circa — 450 million years ago) the giant scorpions of the Silurian Period, the giant, wingless insects of the Devonian period, the insects, amphibians, reptiles, fishes, clams, crustaceans of the Carboniferous Period, the many precursors to the dinosaurs, the 700 odd known species of dinosaurs themselves, the subsequent dominant mammals, including the saber tooth tiger, the mammoths and hairy rhinoceros of North America and Asia, the fossils of early man in Africa and the Neanderthals of Europe.

Tuesday we talked about different kinds of amphibians and how to distinguish an amphibian from other critters.

Nearly the size of a softball and seriously dwarfing the size of the crickets it's hunting, new video from Shedd Aquarium's Amphibians exhibit shows just how crafty toads can get when it comes to snagging their next meal.

With this package you can see 32,000 aquatic animals — 1,500 species of fishes, reptiles, amphibians, invertebrates, birds and mammals from waters around the world — during your stay at the Hilton Chicago.

The plaintiffs» attorney, George Carpinello of Boies, Schiller & Flexner, said Tuesday evening he would «absolutely» appeal to the Second Circuit Court of Appeals — the same venue where he previously won a suit that blocked the State Liquor Authority from blocking the sale and marketing of Bad Frog Beer because its label depicted an amphibian giving the middle - finger salute.

These projects include work to protect water voles in the South West of England from habitat loss and predation by the American Mink; work to safeguard the future of dormice in Cheshire and the creation of wildlife corridors benefitting birds, mammals and amphibians in North Wales.

This includes monitoring the spread of the pathogenic fungus, building amphibian breeding stations and developing probiotic treatments, say the scientists, writing in Scientific Reports, the acclaimed open - access journal from the publishers of Nature.

New research from the University of South Florida published in the journal Nature reveals that amphibians can acquire behavioral or immunological resistance to a deadly chytrid fungus implicated in global amphibian population declines.

The salamanders use their tongues to catch insects literally on the fly, and the evidence, published in February in the Journal of Experimental Biology by a group of researchers led by Stephen M. Deban of the University of South Florida, suggests that these amphibians owe their dead - shot abilities to a ballistic projection mechanism that powers their rapid - fire tongue thrusts: In effect the tongue launches from the mouth like an arrow from a bow.

«The decline in Madagascan amphibians is not just a concern for herpetologists and frog researchers,» says Dr Franco Andreone from the International Union for Conservation of Nature (IUCN), who is one of the study authors.

«A particularly exciting result from our research was that amphibian exposure to dead chytrid induced a similar magnitude of acquired resistance as exposure to the live fungus,» McMahon said.

The species, Atelopus varius, vanished suddenly from streams across Costa Rica and Panama in the late 1980s and early 1990s, one of the many victims of the deadly chytrid fungus that has decimated amphibian populations around the world.

Now researchers in California and Virginia have identified symbiotic bacteria living on amphibians» skins that protects them from the deadly fungal disease, and later this summer the scientists will collect some of the microbial samples, culture them in the lab, and use the product to inoculate some frogs in California's Sierra Nevada to see if the approach stops chytrid in the wild.

Earth's climate was transitioning from greenhouse to icehouse, and the ancestors of modern reptiles and mammals (as well as the precursors of dinosaurs) had begun to emerge from earlier large amphibians.

Bioaugmentation — taking existing beneficial bacteria, culturing them, and then adding more of them back into a biological system (not too different from eating probiotic yogurt for its purported beneficial effects on the human gut)-- is the key to restoring amphibian populations.

Faced with a variety of threats, from disease to habitat loss, about half of the world's roughly 7,000 species of amphibian are threatened with extinction — and more than 250 of those species haven't been seen since the turn of this century.

The 8 - centimeter - long leeches were once abundant throughout freshwater streams and ponds of western Europe, where they fed on blood from amphibians or mammals.

Now, developmental endocrinologist Tyrone Hayes and colleagues at the University of California, Berkeley, have raised tadpoles of the African clawed frog, Xenopus laevis — the lab rat of the amphibian world — in water with levels of atrazine varying from 0.01 to 200 parts per billion (ppb).

Over a period of nine years, a team of more than 100 researchers led by Dr. Renata Pardini, Dr. Marianna Dixo and Prof. Jean Paul Metzger from the University of São Paulo, collected data on birds, mammals and amphibians living in the forest.

As such, a cat's ideal diet is made up mainly of protein and fats derived from small prey such as rodents, birds and small reptiles and amphibians.

The researchers took samples from museum specimens of amphibians and discovered the earliest record of the fungus came from an Itombwe River frog collected in 1950 in the Democratic Republic of Congo.

The amphibians» true distinctiveness, however, was revealed by genetic tests; their DNA is very different from that of other toads.

The pelvis was also steadied during a jump by muscles that had been converted from tail duty — Prosalirus had lost the tail of its amphibian ancestors.

That's the stark message from the first global survey of amphibians, which has found they are under far greater threat of extinction than birds or mammals.

This illustration shows a reconstruction of the fossil amphibian Micromelerpeton credneri from the Early Permian of Germany.

Of the total new species of amphibians (1581) described globally between the years 2006 - 2015, the highest number were from the Brazilian Atlantic Forest (approximately 182) followed by the Western Ghats - Sri Lanka biodiversity hotspot (approximately 159), with 103 species described alone from the Western Ghats regioOf the total new species of amphibians (1581) described globally between the years 2006 - 2015, the highest number were from the Brazilian Atlantic Forest (approximately 182) followed by the Western Ghats - Sri Lanka biodiversity hotspot (approximately 159), with 103 species described alone from the Western Ghats regioof amphibians (1581) described globally between the years 2006 - 2015, the highest number were from the Brazilian Atlantic Forest (approximately 182) followed by the Western Ghats - Sri Lanka biodiversity hotspot (approximately 159), with 103 species described alone from the Western Ghats region.

«While we use amphibians as an example in this article, the negative effects of collecting samples from endangered animal populations is a concern that applies across taxa and around the world.

The past decade has witnessed an exponential increase in the number of new amphibian species described from this region.

The newly described species (artist's representation shown), which lived between 220 million and 230 million years ago, was one of the largest in a group of amphibians known as metoposaurs and is the first known in this region from well - preserved fossils, the researchers report online today in the Journal of Vertebrate Paleontology.

«Our results suggest that exotic earthworms could be responsible for the high levels of toxic metals in ground foraging animals such as birds, amphibians and even mammals across New England,» says lead author Justin Richardson, who recently received his Ph.D. from Dartmouth's Department of Earth Sciences.

P. clarkii is an active predator of numerous aquatic organisms, including amphibian larvae,» the Spanish researcher Germán Orizaola from the University of Uppsala (Sweden) said, having published a study in the journal Ecology on the interaction between the two species.

According to the scientist, the results reveal that the populations of these amphibians with a tradition of coexisting with the predator for 30 years (between 10 and 15 generations of frogs) present a pattern of activity that is totally different from the populations with less coexistence or no coexistence with the red swamp crayfish.

Roads are directly responsible for the deaths of reptiles and amphibians in Massachusetts during seasonal migrations to nesting sites, seasonal migrations from uplands to breeding wetlands, movement between wetlands and thermoregulation (basking) on road surfaces.

«Footprints of primitive reptiles and amphibians from 280 million years ago.»

Part of Bd's power comes from compounds in its cell walls that disable amphibian immune cells called lymphocytes and trigger these cells to self - destruct, says Louise Rollins - Smith of Vanderbilt University in Nashville.

Lanky amphibians prove so different from their relatives that they warrant a genus of their own

All About Trout: Across the street from the lab, watch one of the daily feeding demos at the Cold Spring Harbor Fish Hatchery and Aquarium, which has the largest living collection of freshwater fish, reptiles and amphibians native to New York.

Then again, judging by the oh's and ah's of the audience, the evolutionary transition from sea to land — full of expressive amphibian faces peering uncertainly from the muck — may have been a bigger hit.

Researchers from the University of Surrey (UK), the Federal University of São Paulo and the Butantan Institute in Brazil used an innovative 3D liver cell examination to explore the liver function of this snake - like amphibian.

Frogwatch All across the United States The American Association of Zoos and Aquariums» FrogWatch program enlists amphibian fans from coast to coast to track local frog and toad species by identifying the animals» mating calls.

This discovery is fundamental for understanding the evolutionary ecology and behavior in anuran amphibians» says Prof. SD Biju from University of Delhi, who led this study.

They then trapped 115 flies at random in the two forests and found that 40 % contained identifiable DNA fragments from a total of 20 mammal taxa, two bird species, and an amphibian.

It's a pity, really — if whales were amphibians, that much maligned and oft ignored group might benefit from some of the huge amounts of public sympathy (and money) available to cetacean conservation.

They favor banning imports of wild - caught amphibians but allowing the sale of animals bred in captivity, even if they come from Asia, as long as they are quarantined and tested.

Nussbaum, a University of Michigan zoologist who specializes in caecilians, the little - known group of amphibians to which this beast belongs, learned of the specimen from one of his graduate students.

Nevertheless, Carroll says that even earlier fossils will have to be discovered to determine exactly when the ancestral frogs split from the lineage of other amphibians.