BUILDING KNOWLEDGE OF THE FIELDOnline version Test awal by Iswanti Iswanti 1 Proboscis Monkeys play a significant role in the rainforest ecosystem through their foraging and feeding habits. Yes No 2 Both male and female Helmeted Hornbills have the same throat pouch color. Yes No 3 Orangutans are native to Borneo. Yes No 4 The Wire-tailed Bird of Papua is known for its monogamous mating behaviors. Yes No 5 Silverbacks are the dominant males in gorilla troops. Yes No