These frogs received their common name from the numerous types of poisonous alkaloids found in the skin of many species. Most members of this family have on your skin these chemical defenses. The pumiliotoxinas are a family of about 80 alkaloids, soluble, they get it from the diet, mostly of arthropods, ie that these toxins are not synthesized by the frogs (Saporito et al. 2004, Smith and Jones 2004). The poison dart frog is the golden frog (Phyllobates terribilis).
These frogs are characterized by their skin popularly brightly colored pink bicolor and small size. The range of colors ranging from bright orange to yellow and blue black and red. However, members of the genus richest in species, Colostethus, are generally brown. Frogs of a size ranging from 1 to 6 cm in length, depending on the age and species of frog.
A group of scientists announced Thursday the discovery in Colombia of three frog species thought to be entirely new to science, they sought traces of another amphibian that has not been seen in years.
The scientists, who worked the regions of Antioquia and Chocó found "a mysterious toad with ruby eyes, an aquiline nose, tiny toad that lies among dead leaves, and a beautiful new rocket frog with red flashes on their rumps" Proaves Foundation said, one that participated in the expedition.
"The three species were found during the day, when they were active, a behavior that scientists consider to be unusual for most amphibians," said Proaves.
José Vicente Rodríguez, an expert with Conservation International, told AFP: "the kind we were looking for was not found, but they got other animals."
"We are in the process of study and preliminary examination to verify that they are fully new, but there are serious approaches in that sense," he added.
The research team sought nosed toad species of Mesopotamia (Rhinella rostrata), which has not been seen since the time of the First World War.
Colombia, a country located mainly in the tropical mountains, boasts of being one of the most biodiverse in the world.
The Embera peoplecarefully lays out the frog by the fire, and this small amount of fluid exuding poisonous.
Another species discovered in recent years is the Ranitomeya doriswansoni, which is poisonous as well discovered in the Central Cordillera of our country exactly in the month of July 2006 was his discovery. This species shows features such as black and red and has the fifth finger of his tiny feet.
We are preparing the project to share with you, hope you enjoy it and interest.
2008 was declared the International Year of the Frog and, therefore, the Ministry of Environment, Conservation International, the University of the Andes, the company Cerrejón of La Guajira and Cali Zoo, held a special exhibition of these amphibians Colombian the framework of the International Environmental Fair.