What is one hypothesis to explain why there are more endemic bird species on Sulawesi than on Borneo? Solution Sulawesi is an island found in Indonesia and it is found between the Borneo and Maluka islands. Sulawesi island contains the one endemic bird ground dwelling chicken sized maleo, a m egapode. This endemic bird uses the hot sand to incubate it\'s eggs and that are evolved from volcanic eruptions. There are more endemic species of birds in Sulawesi than in Borneo because of its geological time , evergreen islands, climatic conditions, speciation and isolation may lead to the possible favorable conditions to the endemic bird species. Due to the climatic conditions like lofty mountains, misty lakes, cool mossy highland forests, fertile valleys with greenary and low land rain forest are the reasons to be more endemic bird species in Sulawesi than in Borneo. Thus the hypothesis and reasons to have more endemic bird species in Sulawesi than in Borneo..