Patagonian mara to the anus. The Patagonian mara is found only in Argentina. It ranges from 28ºS to 50ºS. Maras prefer to live in habitats with lots of shrub cover. However they also inhabit overgrazed and barren soils in the Monte Desert biome. In northwestern Argentina the mara primarily inhabits lowland habitats like forest and creosote bush or "larrea". Maras prefer sandy and low shrub habitat in Valdes Peninsula. It has adapted well to a cursorial lifestyle on the open plains and steppe, with its long legs, reduced clavicle and well-developed sensory organs making it capable of running and communicating in these
Patagonian crested duck crested duck is not endangered. Although its global population is unknown, there are thought to be around 10,000 breeding pairs in the Falkland Islands. Its sibling subspecies, the Andean crested duck, is extremely rare even in captive collections. One of the main predators of the Patagonian crested duck is the black-crowned night heron. Adult ducks have few other predators though the younger ducklings are subject to predation by brown skuas. Patagonian crested duck The Patagonian crested duck ("Lophonetta specularioides specularioides"), also known as the southern crested duck, or the grey duck in the Falkland Islands, is the nominate of two