Papua New Guinea - Wildlife PNG possesses a rich variety of reptiles, marsupials, native freshwater fish and birds but is almost devoid of large mammals. For more than two million years the island has been isolated, and its animals evolved in isolation.There are no wild species that can be domesticated. The inhabitants of Papua New Guinea eventually benefited from the introduction of the pig, dog and chicken from their nearest neighbour, Indonesia. Protein deficiency, particularly amongst the highland population, was a serious problem. Back | Next