Primary forests are known as forests that have developed over centuries, without (relatively much) human influence.
Secondary forests are known as forests that regrown after the old-growth forest was extremely disturbed by, for example, forest fires, storm damage, deforestation, etc.
A male Rhinoceros Hornbill has a size between 80 and 90 centimeters. The plumage is black with white thighs and belly. The tail turns white with a black band. The beak and horn are orange, red and pale yellow in color. In the male, black also occurs in the upward curling horn. The eyes color red with a black rim.
The Rhinoceros Hornbill usually forages in pairs, In the non-breeding season they sometimes hunt in small flocks.