Geographical islands have represented evolutive laboratories for species and a challenge for animals and plants that have had to adapt to the local conditions of these territories. Thus, these isolated places have compelled living beings to find ecological solutions that are different from those normally used on the five continents. Likewise, in the interior of the continents, there are specific places with exclusive environmental conditions that are different from the areas that surround them. These inland ecological islands, many of which have been created by man in his devastating attempt to expand, have similar rules to those of geographical islands. Isolated is the story about the different species that inhabit these islands --the geographical islands and the continental islands -- and how they have to confront the local rules of survival, which, surprisingly, have a lot in common. A marine iguana on the Galapagos Islands, a group of lemurs in Madagascar, a tiger in Sariska National Park in India, a deer in the south of Jersey Island (U.K), two grizzly bears on Kodiak Island (Alaska), an orangutan in Borneo, and a crocodile in Papua New Guinea are some of the protagonists of this story about adapting to local paradises. Through them, we will learn about the problem of living in isolation, the challenges of surviving in the limited space of an island, the competition to find a niche to exploit, and the alliances established among the different animals so that they can reach their most important goal: the survival of the species. EP.5: INLAND ISLANDS On certain occasions, unique geographical factors, catastrophes, or mainly the hand of man have created inland islands in the interior of the continents: places isolated from the rest due to a loss of continuity in a specific ecosystem. These internal islands, places of forced confinement for species, will be the focus of this fifth episode. An Indian tiger, a family of Bushmen, a colony of Costa Rican ants, a Venezuelan jaguar, a Kopje from the heart of Kenya, a pack of wolves in Yellowstone, and the last population of Asian lions in the world will be the protagonists this episode.

• published: 01 Jun 2011
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