That is a place of great biodiversity, home of one the greatest wildlife concentration places in the world, both flora and fauna-wise. It is a complex system of rainy formations with its 13 small lakes, rivers and tropical wild forests turning this 1,500,000 acres (6,100 km) into a record of level of biodiversity in the world.
Within the tropical rain forest vegetation, there is a rich variety of plants such as palms, bromeliads, Ceibos, heliconia, Macrolobium, wild roses and 60 different orchid species. 12000 different plants have been approximately found inside the wildlife reserve. Many are used for medical purposes by the native indigenes.
More than 550 different bird species have been identified in Cuyabeno, such as more than 350 fish species, including piranhas; a great variety of reptiles such as anacondas, alligators and river turtles. Frequently observed species include various birds species, such as colorful parrots, kingfishers and hoatzins or Amazon eagle, which flaunts its 8-foot (2.4 m)-wide wingspan, and lots of varieties of beetles and poison dart frogs as well. Amongst the mammals, the tapir (Tapirus terrestris), freshwater pink dolphins and armadillos can be found.
The river system covers the rivers Aguarico, San Miguel and Cuyabeno along with their tributaries. Amongst the Cuyabeno, there is a system of 14 black-water lagoons, which are formed by floods in the rains of the lowland rain forest from April to July. The rainy season is clearly marked from April to July, followed by a season of mixed rain and drought from August to November and a dry season from December to March. The climate corresponds to a wet tropical forest, with precipitations between 0.18 to 0.25 cubic inches per year, and humidity ranges from 85% to 95%. The annual temperature oscillates around25 °C (77 °F)
Due to this wildlife reserve belonging to the National Protected Areas System, very few tour operators are qualified to work
