Sentences with word «caecilian»

Susceptible to this sort of fragmentation that characterizes Indochina, caecilians of this region serve as an indicator species.

Now the same team have screened over 5,000 amphibians from four continents to ascertain the threat the new disease presents to other species.The results, published today in the journal Science, show that B. salamandrivorans is very dangerous to salamanders and newts, but not to frogs, toads and snake - like amphibians called caecilians.

However, Small, Pardo, and Huttenlocker recently discovered two new caecilian fossils from the Triassic Period in central Colorado.

In their newly published checklist the researchers have listed 49 species of frogs and toads, as well as one caecilian species — a limbless, snake - like amphibian.

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.

Not only is this the sole lungless caecilian, it's by far the largest lungless, four - limbed vertebrate known.

Most other known caecilians are burrowing creatures, but Nussbaum believes the new specimen's bizarre features suit it to life at the bottom of cool, high - oxygen mountain streams.

Kwok also has delved into the mysterious caecilians — legless amphibians that might be mistaken for snakes — and alien carp that can leap from the water with enough punch to knock a boater unconscious (or break his arm).

caecilian A type of amphibian that has no legs.

Mammals: mice, rats, hamsters, guinea pigs, chinchillas, rabbits Birds: parrots, love birds, cockatiels, cockatoos, finches, toucans Reptiles: turtles, tortoises, lizards, snakes Amphibians: frogs, salamanders, and caecilians Backyard companion animals: potbellied pigs, pygmy goats, chickens Fish: goldfish, koi carp Medium and large mammals: lions, tigers, servals, bobcats, primates

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.

The ancient amphibian probably ate insects and possessed tiny but functional eyes, differentiating it from modern caecilians, as many modern species either do not have eyes or hide their eyes under moist skin.

Small fossils about 220 million years old found along steep red slopes in Colorado represent a near - relative of modern animals called caecilians, says vertebrate paleontologist Adam Huttenlocker of the University of Southern California in Los Angeles.

Only twice has the species been seen making a kill in the wild — once an earthworm, another time a caecilian, an amphibian.

The researchers also looked at amphibian evolutionary history, which considers all the frogs, salamanders and caecilians that have existed over millions of years.

Caecilians have ring - shaped folds of skin called annuli, small eyes covered by skin and sometimes bone, and a pair of tentacles.

amphibians A group of animals that includes frogs, salamanders and caecilians.

Frogs (e.g., Woodhams et al. 2003, Retallick and Miera 2007; Andre et al. 2008), salamanders (e.g., Weinstein 2009), and caecilians (Raphael and Pramuk 2007, unpublished) have been reported to clear Bd infections when kept at higher temperatures for a time.

This group includes all types of birds (parrots, love birds, cockatoos, finches, chickens, toucans), reptiles (turtles, tortoises, lizards, snakes), amphibians (frogs, salamanders, and caecilians), fish, pocket pets or small mammals (rabbit, guinea pig, chinchilla, hamster), backyard mammals (pigs, goats), other mammals (lions, foxes, bears, primates), and virtually any other animal with the exception of some domestic animals (dogs, cats, cows, horses).

Caecilians are an uncommon, poorly known and rarely seen amphibians that look like earthworms on steroids.

There is also a minor category that is often overlooked: caecilians.

«Caecilians, turtles and some fish are the only major vertebrate groups that paleontologists still have questions about,» explained Jason Pardo, a doctoral candidate in the Faculty of Veterinary Medicine at the University of Calgary in Alberta, Canada.

Caecilians are one of the most mysterious amphibians on earth.

Although there are currently about 200 known species of caecilians, little is known about their early evolution.

«Caecilians are hard to find in the fossil record because most are so small,» added Adam Huttenlocker, an assistant professor in the Department of Integrative Anatomical Sciences at the Keck School of Medicine of USC.

Bryan Small, a research associate at Texas Tech University, discovered two caecilian fossils from the late Mesozoic Era in the 1990s in Eagle County, Colorado, but these fossils had reduced limbs and resembled the caecilians of today, leaving questions about the amphibians» early evolution unanswered.