Venezuela is home to an enormous variety of animals and plants, and is one of the most biodiversity regions in the world. Today, there are about 250 species of mammal in Venezuela, including the jaguar, puma, capybara, manatee, howler monkey, sloth and two species of fresh water dolphin. The country is also home to the giant otter or 'water-wolf', which is the rarest otter in the world. The bird population consists of over 1,200 species, among which are the condors, hoatzin, flamingo, pelican, several species of parrot, macaw, toucan and the oilbird. Venezuela's reptiles include five species of cayman, the common iguana, rattlesnake, boa and the largest snake in the world: the anaconda.