Sentences with phrase «most of the amphibians»

Not exact matches

This is the reproductive method of many fish, amphibians and reptiles, all birds, the monotremes, and most insects and arachnids.

Although we did most of the studies in frogs, we also followed with chick embryos and found cyclopean eyes, which is important because amphibians and birds are very different, says Rao.

Amphibians are the most threatened vertebrates in the world, with over 40 % at risk of extinction.

Most of Britain's fast - declining populations of reptiles and amphibians, such as the great crested newt, live around small ponds that are unlikely to be listed, let alone protected, with the existing highly bureaucratic system of SSSI designation.

The most devastating of the known amphibian diseases is chytridiomycosis, which is caused by a deadly chytrid fungus (Batrachochytrium dendrobatidis, or Bd).

With over 4 % of the planet's named frog species, Madagascar is one of the most incredible amphibian hotspots in the world.

Worldwide, most amphibian communities are not recovering, though earlier this year Ursina Tobler at the University of Zurich, Switzerland, showed for the first time that even in devastated populations, some tadpoles can survive infection (PLoS One, DOI: 10.1371 / journal.pone.0010927).

«But this was not always the case,» explains Professor Dr. Madelaine Böhme, director of the Senckenberg Centre for Human Evolution and Palaeoenvironment (HEP) at the University of Tübingen, who continues, «Our most recent study shows that the number of amphibian and reptile species used to be much higher in the course of geological history.»

It is widely recognised that amphibians are among the most threatened animal groups: for example, in 2008, 32 % of species were listed as «threatened or extinct» and 42 % were listed as in decline.

Most research on color and behavior in toxic amphibians has focused on interactions between individuals of the same species or between predators and prey.

Co-author Dr Augusto Coppi, lecturer in Veterinary Anatomy and Stereologist at the University of Surrey, said: «The liver function of this amphibian, Siphonops annulatus, may provide us with a unique opportunity to solve one of the most devastating illnesses of the liver.

The study confirmed that until we find a way to fight the fungus, the most actionable advice to date is to begin captive breeding, a move suggested in a seminal study of amphibian disappearance published in Science four years ago.

The fossil record shows that lots of animals weathered the impact, including most mammals and birds, as well as lizards and amphibians.

Unlike most amphibians, the mud - colored salamander retained its tadpole form into adulthood, breathed through feathery gills jutting out of the sides of its head, and lived only in a handful of lakes in central Mexico.

A surprising proportion of species found in Australia are native — nearly half the 770 bird species, most reptiles and amphibians including 93 per cent of the frogs, most of the 141 marsupial species, about 90 per cent of the 20 000 named plants, and the majority of fish species in temperate waters.

«We have seriously underestimated the effects of climate change on the most well - known groups, which means those other groups, reptiles, amphibians, fish, plants, the story is going to be much, much worse in terms of what we think the threat is from climate change already,» he said.

To understand TH, director emeritus Donald Brown studies one of the most dramatic roles of the hormone, the control of amphibian metamorphosis — the process by which a tadpole turns into a frog.

Reisz and his graduate students suggest that the next big question relates to evolutionary changes to the overall abundance of teeth: if these ancient amphibians had an astonishing number of teeth, why have most modern amphibians reduced or entirely lost their teeth?

A relatively small number of species are blamed: cats, rats and goats are among the most common offenders, along with microorganisms like the amphibian - killing chytrid fungus and the avian malaria parasite.

Although specimens of fishes, marine reptiles, non-avian dinosaurs, birds, and mammals of this age have all been recovered from this now - frozen continent, most fossils, especially those of land - living species, are fragmentary and poorly informative, and a number of major vertebrate groups that likely once lived in Antarctica (e.g., amphibians, crocodilians) have yet to be discovered at all.

But most of the toads transported by people are just stowaways, with the «taxi - drivers» having no idea that they are moving these unwelcome amphibians around the country.

Conway said Girard described many new species of fish, amphibians and reptiles from the southwestern and central U.S., with most collected during the U.S. and Mexican boundary surveys between 1853 - 1855.

The plot involves the Muppets crew becoming part of a grand scheme perpetrated by the «world's most dangerous frog», a Russian - accented amphibian named Constantine, whose facial mole is the only differentiating trait (other than his voice) from Kermit the Frog.

On the other hand, always remember that the most rabid hobbyists in our field often start their hobby with the most humble of amphibians.

Secondly, most amphibians are nocturnal and fossorial, meaning that they spend much of their time hiding or asleep — not exactly what a five year old seeks in a pet.

Although most of the work will focus on teleost fish medicine, the fellow will gain experience from the diverse caseload consisting of elasmobranchs, reptiles, amphibians, and invertebrates housed or cultured in the different institutions or in collaborating laboratories or aquaculture farms.

There are a large number of amphibian species in the world and some of the species most commonly kept as pets include the South American horned frogs, tiger salamanders, waxy monkey tree frog and the African clawed frog.

Most of the year they live buried in the ground but as they are amphibians, they become active after it rains to eat and breed.

Given the extreme sensitivity most reptiles and amphibians have to temperature and lighting, owning one of these animals as a pet demands that you be prepared with power back - up systems in case of power failure.

Most amphibian species commonly kept as pets will accept a wide range of prey, including crickets, mealworms, fruit flies, roaches and even un-weaned mice.

These three types of products will cover the needs of not only most tortoise species, but nearly all pets reptile and amphibians.

Most temperate reptiles, for instance, need a cool end of about 75 degrees, while most amphibians can take even lower cool ends, say 65 degrMost temperate reptiles, for instance, need a cool end of about 75 degrees, while most amphibians can take even lower cool ends, say 65 degrmost amphibians can take even lower cool ends, say 65 degrees.

Ultraviolet light is vital to the health and well - being of most diurnal reptiles and amphibians.

Of course, it's perfect for most amphibians, but I have been surprised to see customers keeping it as a basic cage - wide bottom layer for any number of specieOf course, it's perfect for most amphibians, but I have been surprised to see customers keeping it as a basic cage - wide bottom layer for any number of specieof species.

Even the simplest and most common reptiles and amphibians make endearing pets for people of all ages.

Delighful Dumpys Whites tree frogs, also referred to as dumpy tree frogs because of their robust adult stature, are among the most delightful of all amphibians to keep.

It has recorded 634 species of birds, including the most endangered Bengal florican, great pied hornbill and many reptiles, amphibians and fish.

Named Chinlestegophis jenkinsi, the new fossils act as a sort of «missing link,» connecting caecilians to stereospondyls, the most diverse amphibian group during the Triassic Period over 200 million years ago.

Caecilians are one of the most mysterious amphibians on earth.

James and his colleagues also analyzed bullfrogs from frog farms in Brazil and several native frog species from Brazil's Atlantic Forest, one of the most amphibian - rich regions in the world.

Amphibians such as wood frogs and spotted salamanders, some of the most common amphibians in the Upper Valley, have what is called «breeding site fideliAmphibians such as wood frogs and spotted salamanders, some of the most common amphibians in the Upper Valley, have what is called «breeding site fideliamphibians in the Upper Valley, have what is called «breeding site fidelity».

A few entrepreneurial amphibians discovered that their odds of survival were better on land, and many species evolved the most amazing strategies to free themselves from their dependency on standing water.

Most amphibians are also tied to pools of water because their jelly - coated eggs readily desiccate, and during their tadpole stage they breathe with gills.

Seventy?six amphibian experts eventually agreed on an amphibian recovery plan, and set out to rescue species most likely to be endangered by the spreading wave of Bd fungus.

Climate change may alter amphibian evolution Most of the more than 6,000 species of frogs in the...

Climate change won't be that good for birds, mammals or amphibians — and will probably happen too quickly for most of these larger animals to adapt or migrate to keep up with the climate they find most hospitable.

I focus on providing the most up to date information on reptile and amphibian husbandry as possible, in the hopes of providing captive animals the most natural life possible.

Frogs are the most threatened vertebrate group on Earth, with nearly one - third of the world's 6,468 amphibian species in danger, the company says.