Caecilians have been little studied in this respect but the Cayenne caecilian ( Typhlonectes compressicauda ) produces toxic mucus which has caused the death of predatory fish in a feeding experiment in Brazil.

They've got a big vulture from Tanganika at the zoo here, with a wife for him, too, very rare birds, both of them, the only Vulturidae of their species outside Africa.

There is Mijbil, an otter who travelled with Maxwell -- and gave Maxwell's name to a new species -- from the Tigris marshes to his London flat.

The Greek words " ida " ( οίδα: know ) and " idos " ( είδος: species ) have the same root as the word " idea " ( ιδέα ), indicating how the Greek mind moved from the gift of the senses, to the principles beyond the senses.

All modern amphibians are included in the subclass Lissamphibia, superorder Salientia, which is usually considered a clade, a group of species that have evolved from a common ancestor.

A number of fossil cryptobranchids have been found but there are only three living species, the Chinese giant salamander ( Andrias davidianus ), the Japanese giant salamander ( Andrias japonicus ) and the hellbender ( Cryptobranchus alleganiensis ) from North America.

The development of the young of Ichthyophis glutinosus, a species from Sri Lanka, has been much studied.

In most species, the sound is produced by expelling air from the lungs over the vocal cords into an air sac or sacs in the throat or at the corner of the mouth.

Altogether, over two hundred toxins have been isolated from the limited number of amphibian species that have been investigated.

A Lewis acid is a species that accepts a pair of electrons from another species ; in other words, it is an electron pair acceptor.

The family includes a single genus, Ixiolirion, with four species distributed from Egypt to central Asia.

The group includes eight genera and about 85 species distributed in the temperate zones of Europe and Asia, Malaysia, India, Madagascar, Africa and the Pacific, from Australia and New Zealand to South America.

The subfamily includes 59 genera and approximately 800 species from temperate and tropical regions worldwide.

Although most extant species of Asteraceae are herbaceous, the examination of the basal members in the family suggests that the common ancestor of the family was an arborescent plant, a tree or shrub, perhaps adapted to dry conditions, radiating from South America.

Although originally considered a subspecies of A. ramidus, in 2004 anthropologists Yohannes Haile-Selassie, Gen Suwa, and Tim D. White published an article elevating A. kadabba to species level on the basis of newly-discovered teeth from Ethiopia.

These teeth show " primitive morphology and wear pattern " which demonstrate that A. kadabba is a distinct species from A. ramidus.

The color of the shell is very variable from species to species, and may reflect the animal's diet.

However, the species of sea snail which is known in the seafood trade as the " Chilean abalone ", Concholepas concholepas, is from another family altogether.

Resin from the extinct species Hymenaea protera is the source of Dominican amber and probably of most amber found in the tropics.

In Central and South America, the alligator family is represented by five species of the genus Caiman, which differs from the alligator by the absence of a bony septum between the nostrils, and the ventral armour is composed of overlapping bony scutes, each of which is formed of two parts united by a suture.

Approximately 60 species are recognized, with inflorescences and foliage ranging from purple and red to green or gold.

Ailanthus are capable of forming thick blankets of roots and heavy shade to the extent that native species are prevented from being able to reclaim an area that has been logged or deforested, as well as areas that have been heavily developed.

Perfumes can still be found with ambergris around the world, it is collected from remains found at sea and on beaches, although its precursor originates from the sperm whale, which is a vulnerable species.

Lanaria lanata is the only species in the family Lanariaceae and is found in southern South Africa.

The two large families are cosmopolitan, with many of their species found in the northern hemisphere, and the smaller families are usually confined to Australia and the adjacent areas, or sometimes South America.

), is a species of tree native to the Middle East and South Asia.

The majority of abalone species are found in cold waters, off the Southern Hemisphere coasts of New Zealand, South Africa and Australia, and Western North America and Japan in the Northern Hemisphere.

In 2007, because of widespread poaching of abalone, the South African government listed perlemoen as an endangered species according to the CITES section III appendix, which requests member governments to monitor the trade in this species.

The galjoen, black bream, or blackfish, Dichistius capensis, is a species of marine fish that is found only along the coast of South Africa.

This species of flea is the primary Vector ( epidemiology ) | vector for the transmission of Yersinia pestis the organism responsible for bubonic plague in most plague epidemic s in Asia, Africa, and South America.

Authorities classify the species into three or four subspecies: B. m. musculus, the northern blue whale consisting of the North Atlantic and North Pacific populations, B. m. intermedia, the southern blue whale of the Southern Ocean, B. m. brevicauda, the pygmy blue whale found in the Indian Ocean and South Pacific, and the more problematic B. m. indica, the great Indian rorqual, which is also found in the Indian Ocean and, although described earlier, may be the same subspecies as B. m. brevicauda.

These species are found throughout tropical and subtropical South and Central America.

General limitations about the structure and philosophy of CITES include: by design and intent it focuses on trade at the species level and does not address habitat loss, ecosystem approaches to conservation, or poverty ; it seeks to prevent unsustainable use rather than promote sustainable use ( which generally conflicts with the Convention on Biological Diversity ), although this has been changing ( see Nile Crocodile, African elephant, South African white rhino case studies in Hutton and Dickinson 2000 ).

It is a member of the subgenus Rhinella of the genus Bufo, which includes many different true toad species found throughout Central and South America.

The cane toad naturally exists in South Texas, but attempts ( both deliberate and accidental ) have been made to introduce the species to other parts of the country.

It is thought that this species migrated to South America where it became the ancestor of Canis dirus, the dire wolf.

Capybaras are on the IUCN list, but are not considered a threatened species ; their population is stable through most of their South American range, though in some areas, hunting has reduced their numbers.

The dhole ( Cuon alpinus ), also called the Asiatic wild dog or Indian wild dog, is a species of canid native to South and Southeast Asia.

The australopithecine species that are best represented in the fossil record is Australopithecus Afarensis with more than a hundred fossil individuals represented, found from Northern Ethiopia ( such as the famous " Lucy "), to Kenya, and South Africa.

It was considered to be the first species of the genus Homo until May 2010, when a new species, Homo gautengensis was discovered in South Africa, that most likely arose earlier than Homo habilis.

* Lycalopex: Six South American species.

File: Cerdocyon thous MG 9503. jpg | Crab-eating fox, a South American species.